25383864 has 48 divisors (see below), whose sum is σ = 69761160. Its totient is φ = 7691200.

The previous prime is 25383859. The next prime is 25383899. The reversal of 25383864 is 46838352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1467 + ... + 7274.

Almost surely, 2^25383864 is an apocalyptic number.

25383864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25383864 is an abundant number, since it is smaller than the sum of its proper divisors (44377296).

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

25383864 is a wasteful number, since it uses less digits than its factorization.

25383864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772 (or 8757 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 25383864 is about 5038.2401689479. The cubic root of 25383864 is about 293.8907456511.

The spelling of 25383864 in words is "twenty-five million, three hundred eighty-three thousand, eight hundred sixty-four".