253873236 has 24 divisors (see below), whose sum is σ = 593572000. Its totient is φ = 84452832.

The previous prime is 253873219. The next prime is 253873303. The reversal of 253873236 is 632378352.

253873236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253873236² = 128903239914223392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253873194 and 253873203.

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 7 ways as a sum of consecutive naturals, for example, 15211 + ... + 27186.

Almost surely, 2^253873236 is an apocalyptic number.

It is an amenable number.

253873236 is an abundant number, since it is smaller than the sum of its proper divisors (339698764).

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

253873236 is a wasteful number, since it uses less digits than its factorization.

253873236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42903 (or 42901 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 253873236 is about 15933.4000138075. The cubic root of 253873236 is about 633.1971813204.

The spelling of 253873236 in words is "two hundred fifty-three million, eight hundred seventy-three thousand, two hundred thirty-six".