253408512 has 72 divisors (see below), whose sum is σ = 770800576. Its totient is φ = 72400896.

The previous prime is 253408501. The next prime is 253408559. The reversal of 253408512 is 215804352.

It is a self number, because there is not a number n which added to its sum of digits gives 253408512.

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, 18193 + ... + 28944.

Almost surely, 2^253408512 is an apocalyptic number.

It is an amenable number.

253408512 is an abundant number, since it is smaller than the sum of its proper divisors (517392064).

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

253408512 is an equidigital number, since it uses as much as digits as its factorization.

253408512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47163 (or 47149 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 253408512 is about 15918.8100057762. The cubic root of 253408512 is about 632.8105819994.

The spelling of 253408512 in words is "two hundred fifty-three million, four hundred eight thousand, five hundred twelve".