253725320 has 16 divisors (see below), whose sum is σ = 570882060. Its totient is φ = 101490112.

The previous prime is 253725313. The next prime is 253725331. The reversal of 253725320 is 23527352.

It is a happy number.

253725320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 231465796 + 22259524 = 15214^2 + 4718^2 .

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, 3171527 + ... + 3171606.

Almost surely, 2^253725320 is an apocalyptic number.

253725320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253725320 is an abundant number, since it is smaller than the sum of its proper divisors (317156740).

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

253725320 is a wasteful number, since it uses less digits than its factorization.

253725320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343144 (or 6343140 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 253725320 is about 15928.7576414484. The cubic root of 253725320 is about 633.0741826781.

The spelling of 253725320 in words is "two hundred fifty-three million, seven hundred twenty-five thousand, three hundred twenty".