25233988 has 24 divisors (see below), whose sum is σ = 47839680. Its totient is φ = 11577120.

The previous prime is 25233979. The next prime is 25234007. The reversal of 25233988 is 88933252.

It is a self number, because there is not a number n which added to its sum of digits gives 25233988.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7953 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (1993320).

Almost surely, 2^25233988 is an apocalyptic number.

It is an amenable number.

25233988 is a deficient number, since it is larger than the sum of its proper divisors (22605692).

25233988 is a wasteful number, since it uses less digits than its factorization.

25233988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2905 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 25233988 is about 5023.3443043455. The cubic root of 25233988 is about 293.3111892145.

The spelling of 25233988 in words is "twenty-five million, two hundred thirty-three thousand, nine hundred eighty-eight".