253566980 has 24 divisors (see below), whose sum is σ = 549669120. Its totient is φ = 98154720.

The previous prime is 253566961. The next prime is 253567051. The reversal of 253566980 is 89665352.

It is a happy 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, 203870 + ... + 205109.

It is an arithmetic number, because the mean of its divisors is an integer number (22902880).

Almost surely, 2^253566980 is an apocalyptic number.

253566980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253566980 is an abundant number, since it is smaller than the sum of its proper divisors (296102140).

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

253566980 is a wasteful number, since it uses less digits than its factorization.

253566980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409019 (or 409017 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 253566980 is about 15923.7866099744. The cubic root of 253566980 is about 632.9424630354.

The spelling of 253566980 in words is "two hundred fifty-three million, five hundred sixty-six thousand, nine hundred eighty".