25388 has 12 divisors (see below), whose sum is σ = 48552. Its totient is φ = 11520.

The previous prime is 25373. The next prime is 25391. The reversal of 25388 is 88352.

It is an unprimeable number.

25388 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 245 + ... + 332.

It is an arithmetic number, because the mean of its divisors is an integer number (4046).

2²⁵³⁸⁸ is an apocalyptic number.

It is an amenable number.

25388 is a deficient number, since it is larger than the sum of its proper divisors (23164).

25388 is a wasteful number, since it uses less digits than its factorization.

25388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 590 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 25388 is about 159.3361227092. The cubic root of 25388 is about 29.3906706790.

The spelling of 25388 in words is "twenty-five thousand, three hundred eighty-eight".