25516968 has 32 divisors (see below), whose sum is σ = 65852160. Its totient is φ = 8231040.

The previous prime is 25516961. The next prime is 25516979. The reversal of 25516968 is 86961552.

It is a super-2 number, since 2×25516968² = 1302231311826048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25516961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16405 + ... + 17892.

It is an arithmetic number, because the mean of its divisors is an integer number (2057880).

Almost surely, 2^25516968 is an apocalyptic number.

It is an amenable number.

25516968 is an abundant number, since it is smaller than the sum of its proper divisors (40335192).

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

25516968 is a wasteful number, since it uses less digits than its factorization.

25516968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34337 (or 34333 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 25516968 is about 5051.4322721383. The cubic root of 25516968 is about 294.4035367506.

The spelling of 25516968 in words is "twenty-five million, five hundred sixteen thousand, nine hundred sixty-eight".