253238612 has 72 divisors (see below), whose sum is σ = 518464800. Its totient is φ = 107305920.

The previous prime is 253238603. The next prime is 253238683. The reversal of 253238612 is 216832352.

Its product of digits (17280) is a multiple of the sum of its prime divisors (288).

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 23 ways as a sum of consecutive naturals, for example, 1699514 + ... + 1699662.

It is an arithmetic number, because the mean of its divisors is an integer number (7200900).

Almost surely, 2^253238612 is an apocalyptic number.

253238612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253238612 is an abundant number, since it is smaller than the sum of its proper divisors (265226188).

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

253238612 is a wasteful number, since it uses less digits than its factorization.

253238612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 288 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 253238612 is about 15913.4726568402. The cubic root of 253238612 is about 632.6691258791.

The spelling of 253238612 in words is "two hundred fifty-three million, two hundred thirty-eight thousand, six hundred twelve".