253934724 has 12 divisors (see below), whose sum is σ = 592514384. Its totient is φ = 84644904.

The previous prime is 253934719. The next prime is 253934741. The reversal of 253934724 is 427439352.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 10580602 + ... + 10580625.

Almost surely, 2^253934724 is an apocalyptic number.

It is an amenable number.

253934724 is an abundant number, since it is smaller than the sum of its proper divisors (338579660).

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

253934724 is a wasteful number, since it uses less digits than its factorization.

253934724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21161234 (or 21161232 counting only the distinct ones).

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

The square root of 253934724 is about 15935.3294286626. The cubic root of 253934724 is about 633.2482972317.

The spelling of 253934724 in words is "two hundred fifty-three million, nine hundred thirty-four thousand, seven hundred twenty-four".