25925913 has 48 divisors (see below), whose sum is σ = 43417920. Its totient is φ = 15349824.

The previous prime is 25925891. The next prime is 25925917. The reversal of 25925913 is 31952952.

It is a happy number.

25925913 is a `hidden beast` number, since 2 + 592 + 59 + 13 = 666.

It is not a de Polignac number, because 25925913 - 2⁶ = 25925849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25925917) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91470 + ... + 91752.

It is an arithmetic number, because the mean of its divisors is an integer number (904540).

Almost surely, 2^25925913 is an apocalyptic number.

It is an amenable number.

25925913 is a deficient number, since it is larger than the sum of its proper divisors (17492007).

25925913 is a wasteful number, since it uses less digits than its factorization.

25925913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 328 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 25925913 is about 5091.7495028723. The cubic root of 25925913 is about 295.9679513938.

The spelling of 25925913 in words is "twenty-five million, nine hundred twenty-five thousand, nine hundred thirteen".