253571232 has 24 divisors (see below), whose sum is σ = 665624736. Its totient is φ = 84523712.

The previous prime is 253571231. The next prime is 253571233. The reversal of 253571232 is 232175352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253571231) and next prime (253571233).

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 253571232.

It is not an unprimeable number, because it can be changed into a prime (253571231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320588 + ... + 1320779.

It is an arithmetic number, because the mean of its divisors is an integer number (27734364).

Almost surely, 2^253571232 is an apocalyptic number.

It is an amenable number.

253571232 is an abundant number, since it is smaller than the sum of its proper divisors (412053504).

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

253571232 is a wasteful number, since it uses less digits than its factorization.

253571232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641380 (or 2641372 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 253571232 is about 15923.9201203724. The cubic root of 253571232 is about 632.9460008992.

The spelling of 253571232 in words is "two hundred fifty-three million, five hundred seventy-one thousand, two hundred thirty-two".