25317912 has 32 divisors (see below), whose sum is σ = 63892800. Its totient is φ = 8359584.

The previous prime is 25317889. The next prime is 25317923. The reversal of 25317912 is 21971352.

It is a self number, because there is not a number n which added to its sum of digits gives 25317912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362 + ... + 7497.

It is an arithmetic number, because the mean of its divisors is an integer number (1996650).

Almost surely, 2^25317912 is an apocalyptic number.

It is an amenable number.

25317912 is an abundant number, since it is smaller than the sum of its proper divisors (38574888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25317912 is a wasteful number, since it uses less digits than its factorization.

25317912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975 (or 9971 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 25317912 is about 5031.6907695128. The cubic root of 25317912 is about 293.6359972890.

The spelling of 25317912 in words is "twenty-five million, three hundred seventeen thousand, nine hundred twelve".