The number 25325
25325 is a composite number with 6 divisors. Its prime factorisation is Ć 1013. Divisors (6): 1, 5, 25, 1013, 5065, 25325.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
25325 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
25325 is composite. Its prime factorisation is
- 3
The divisors add up to 31434; without 25325 itself that is 6109, so 25325 is deficient (6109 is less than 25325). Euler's totient Ļ(25325) = 20240 numbers up to 25325 share no factor with it.
- 4
The digits of 25325 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 56 steps to reach 1.
LaTeX source of the formulas on this page
\[ 25325 = 5^{2} \times 1013 \]25325 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 31434 |
| Euler totient Ļ(n) | 20240 |
| Square | 641355625 |
| Cube | 16242331203125 |
| Square root | 159.138305 (= 5ā1013) |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 56 |
| Scientific notation | 2.5325 Ć |
25325 in other forms
| Form | Value |
|---|---|
| In words | twenty-five thousand three hundred and twenty-five |
| Binary (base 2) | 110001011101101 |
| Octal (base 8) | 61355 |
| Hexadecimal (base 16) | 62ED |
| Base 3 | 1021201222 |
| As time | 25325 seconds = 7 h 2 min 5 s |
Is 25325 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (25325 Ć· 5 = 5065) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 25325 a prime number?
No. 25325 = Ć 1013, so it is divisible by 5.
What are the factors of 25325?
1, 5, 25, 1013, 5065, 25325.
What is 25325 in binary?
110001011101101 (hexadecimal 62ED, octal 61355).
What is the square root of 25325?
About 159.1383, exactly 5ā1013.
Is 25325 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 25325?
It is a composite number with 6 divisors.