25013928 has 48 divisors (see below), whose sum is σ = 63715680. Its totient is φ = 8183136.

The previous prime is 25013927. The next prime is 25013929. The reversal of 25013928 is 82931052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25013927) and next prime (25013929).

It is a junction number, because it is equal to n+sod(n) for n = 25013895 and 25013904.

It is not an unprimeable number, because it can be changed into a prime (25013927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149701 + ... + 149867.

It is an arithmetic number, because the mean of its divisors is an integer number (1327410).

Almost surely, 2^25013928 is an apocalyptic number.

It is an amenable number.

25013928 is an abundant number, since it is smaller than the sum of its proper divisors (38701752).

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

25013928 is a wasteful number, since it uses less digits than its factorization.

25013928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 25013928 is about 5001.3926060648. The cubic root of 25013928 is about 292.4560646991.

The spelling of 25013928 in words is "twenty-five million, thirteen thousand, nine hundred twenty-eight".