253633152 has 32 divisors (see below), whose sum is σ = 673714080. Its totient is φ = 84544256.

The previous prime is 253633139. The next prime is 253633199. The reversal of 253633152 is 251336352.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329868 + ... + 330635.

It is an arithmetic number, because the mean of its divisors is an integer number (21053565).

Almost surely, 2^253633152 is an apocalyptic number.

It is an amenable number.

253633152 is an abundant number, since it is smaller than the sum of its proper divisors (420080928).

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

253633152 is an equidigital number, since it uses as much as digits as its factorization.

253633152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660520 (or 660508 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 253633152 is about 15925.8642465645. The cubic root of 253633152 is about 632.9975167676.

The spelling of 253633152 in words is "two hundred fifty-three million, six hundred thirty-three thousand, one hundred fifty-two".