25583960 has 16 divisors (see below), whose sum is σ = 57564000. Its totient is φ = 10233568.

The previous prime is 25583953. The next prime is 25583977. The reversal of 25583960 is 6938552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319760 + ... + 319839.

It is an arithmetic number, because the mean of its divisors is an integer number (3597750).

Almost surely, 2^25583960 is an apocalyptic number.

25583960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25583960 is an abundant number, since it is smaller than the sum of its proper divisors (31980040).

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

25583960 is a wasteful number, since it uses less digits than its factorization.

25583960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639610 (or 639606 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25583960 is about 5058.0589162247. The cubic root of 25583960 is about 294.6609530046.

The spelling of 25583960 in words is "twenty-five million, five hundred eighty-three thousand, nine hundred sixty".