Base | Representation |
---|---|
bin | 101111111011… |
… | …1101111100111 |
3 | 1202021211122002 |
4 | 1133313233213 |
5 | 22413211012 |
6 | 2254355515 |
7 | 423422105 |
oct | 137675747 |
9 | 52254562 |
10 | 25132007 |
11 | 1320605a |
12 | 84bbb9b |
13 | 528c314 |
14 | 34a2c75 |
15 | 23167c2 |
hex | 17f7be7 |
25132007 has 2 divisors, whose sum is σ = 25132008. Its totient is φ = 25132006.
The previous prime is 25131983. The next prime is 25132013. The reversal of 25132007 is 70023152.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 25132007 - 26 = 25131943 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 25132007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25132027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566003 + 12566004.
It is an arithmetic number, because the mean of its divisors is an integer number (12566004).
Almost surely, 225132007 is an apocalyptic number.
25132007 is a deficient number, since it is larger than the sum of its proper divisors (1).
25132007 is an equidigital number, since it uses as much as digits as its factorization.
25132007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 25132007 is about 5013.1833200074. The cubic root of 25132007 is about 292.9155250422.
Adding to 25132007 its reverse (70023152), we get a palindrome (95155159).
The spelling of 25132007 in words is "twenty-five million, one hundred thirty-two thousand, seven".
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