25268988 has 24 divisors (see below), whose sum is σ = 59547600. Its totient is φ = 8339200.

The previous prime is 25268981. The next prime is 25268989. The reversal of 25268988 is 88986252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25268981) 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, 9213 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (2481150).

Almost surely, 2^25268988 is an apocalyptic number.

It is an amenable number.

25268988 is an abundant number, since it is smaller than the sum of its proper divisors (34278612).

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

25268988 is a wasteful number, since it uses less digits than its factorization.

25268988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20957 (or 20955 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 25268988 is about 5026.8268321079. The cubic root of 25268988 is about 293.4467358821.

The spelling of 25268988 in words is "twenty-five million, two hundred sixty-eight thousand, nine hundred eighty-eight".