25975920 has 40 divisors (see below), whose sum is σ = 80526096. Its totient is φ = 6926848.

The previous prime is 25975889. The next prime is 25975933. The reversal of 25975920 is 2957952.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53877 + ... + 54356.

Almost surely, 2^25975920 is an apocalyptic number.

25975920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25975920 is an abundant number, since it is smaller than the sum of its proper divisors (54550176).

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

25975920 is a wasteful number, since it uses less digits than its factorization.

25975920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108249 (or 108243 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 25975920 is about 5096.6577283549. The cubic root of 25975920 is about 296.1581210207.

The spelling of 25975920 in words is "twenty-five million, nine hundred seventy-five thousand, nine hundred twenty".