25957916 has 12 divisors (see below), whose sum is σ = 46283832. Its totient is φ = 12733968.

The previous prime is 25957903. The next prime is 25957927. The reversal of 25957916 is 61975952.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61010 + ... + 61433.

It is an arithmetic number, because the mean of its divisors is an integer number (3856986).

Almost surely, 2^25957916 is an apocalyptic number.

It is an amenable number.

25957916 is a deficient number, since it is larger than the sum of its proper divisors (20325916).

25957916 is a wasteful number, since it uses less digits than its factorization.

25957916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122500 (or 122498 counting only the distinct ones).

The product of its digits is 170100, while the sum is 44.

The square root of 25957916 is about 5094.8911666492. The cubic root of 25957916 is about 296.0896824672.

The spelling of 25957916 in words is "twenty-five million, nine hundred fifty-seven thousand, nine hundred sixteen".