253236852 has 36 divisors (see below), whose sum is σ = 698320896. Its totient is φ = 76738320.

The previous prime is 253236829. The next prime is 253236871. The reversal of 253236852 is 258632352.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319348 + ... + 320139.

Almost surely, 2^253236852 is an apocalyptic number.

253236852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253236852 is an abundant number, since it is smaller than the sum of its proper divisors (445084044).

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

253236852 is a wasteful number, since it uses less digits than its factorization.

253236852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639508 (or 639503 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 253236852 is about 15913.4173576891. The cubic root of 253236852 is about 632.6676601992.

The spelling of 253236852 in words is "two hundred fifty-three million, two hundred thirty-six thousand, eight hundred fifty-two".