25111968 has 48 divisors (see below), whose sum is σ = 75337920. Its totient is φ = 7174656.

The previous prime is 25111949. The next prime is 25111979. The reversal of 25111968 is 86911152.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×25111968² = 1261221873666048, which contains 22 as substring.

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, 18013 + ... + 19356.

It is an arithmetic number, because the mean of its divisors is an integer number (1569540).

Almost surely, 2^25111968 is an apocalyptic number.

25111968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25111968 is an abundant number, since it is smaller than the sum of its proper divisors (50225952).

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

25111968 is a wasteful number, since it uses less digits than its factorization.

25111968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37389 (or 37381 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 25111968 is about 5011.1842911631. The cubic root of 25111968 is about 292.8376522991.

The spelling of 25111968 in words is "twenty-five million, one hundred eleven thousand, nine hundred sixty-eight".