25896931 has 2 divisors, whose sum is σ = 25896932. Its totient is φ = 25896930.

The previous prime is 25896901. The next prime is 25896947. The reversal of 25896931 is 13969852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25896931 is a prime.

It is a super-2 number, since 2×25896931² = 1341302070437522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25896901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12948465 + 12948466.

It is an arithmetic number, because the mean of its divisors is an integer number (12948466).

Almost surely, 2^25896931 is an apocalyptic number.

25896931 is a deficient number, since it is larger than the sum of its proper divisors (1).

25896931 is an equidigital number, since it uses as much as digits as its factorization.

25896931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 25896931 is about 5088.9027304518. The cubic root of 25896931 is about 295.8576249488.

The spelling of 25896931 in words is "twenty-five million, eight hundred ninety-six thousand, nine hundred thirty-one".