25867916 has 24 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 12324752.

The previous prime is 25867867. The next prime is 25867943. The reversal of 25867916 is 61976852.

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, 43775 + ... + 44361.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^25867916 is an apocalyptic number.

It is an amenable number.

25867916 is a deficient number, since it is larger than the sum of its proper divisors (21548404).

25867916 is a wasteful number, since it uses less digits than its factorization.

25867916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1091 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 25867916 is about 5086.0511204666. The cubic root of 25867916 is about 295.7470903975.

The spelling of 25867916 in words is "twenty-five million, eight hundred sixty-seven thousand, nine hundred sixteen".