25573980 has 24 divisors (see below), whose sum is σ = 71607312. Its totient is φ = 6819712.

The previous prime is 25573979. The next prime is 25573997. The reversal of 25573980 is 8937552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213057 + ... + 213176.

It is an arithmetic number, because the mean of its divisors is an integer number (2983638).

Almost surely, 2^25573980 is an apocalyptic number.

25573980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25573980 is an abundant number, since it is smaller than the sum of its proper divisors (46033332).

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

25573980 is a wasteful number, since it uses less digits than its factorization.

25573980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426245 (or 426243 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 25573980 is about 5057.0722755365. The cubic root of 25573980 is about 294.6226334381.

The spelling of 25573980 in words is "twenty-five million, five hundred seventy-three thousand, nine hundred eighty".