25988920 has 32 divisors (see below), whose sum is σ = 61916400. Its totient is φ = 9783808.

The previous prime is 25988917. The next prime is 25988923. The reversal of 25988920 is 2988952.

It is an interprime number because it is at equal distance from previous prime (25988917) and next prime (25988923).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25988923) 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, 18430 + ... + 19789.

Almost surely, 2^25988920 is an apocalyptic number.

25988920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25988920 is an abundant number, since it is smaller than the sum of its proper divisors (35927480).

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

25988920 is a wasteful number, since it uses less digits than its factorization.

25988920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38247 (or 38243 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 25988920 is about 5097.9329144272. The cubic root of 25988920 is about 296.2075182250.

The spelling of 25988920 in words is "twenty-five million, nine hundred eighty-eight thousand, nine hundred twenty".