25396965 has 24 divisors (see below), whose sum is σ = 48024288. Its totient is φ = 12313440.

The previous prime is 25396949. The next prime is 25396979. The reversal of 25396965 is 56969352.

It is not a de Polignac number, because 25396965 - 2⁴ = 25396949 is a prime.

It is a super-2 number, since 2×25396965² = 1290011662422450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 25396965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25159 + ... + 26148.

It is an arithmetic number, because the mean of its divisors is an integer number (2001012).

Almost surely, 2^25396965 is an apocalyptic number.

It is an amenable number.

25396965 is a deficient number, since it is larger than the sum of its proper divisors (22627323).

25396965 is a wasteful number, since it uses less digits than its factorization.

25396965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51329 (or 51326 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 25396965 is about 5039.5401575937. The cubic root of 25396965 is about 293.9412974565.

The spelling of 25396965 in words is "twenty-five million, three hundred ninety-six thousand, nine hundred sixty-five".