253642504 has 16 divisors (see below), whose sum is σ = 475917120. Its totient is φ = 126731280.

The previous prime is 253642483. The next prime is 253642517. The reversal of 253642504 is 405246352.

253642504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1597 + ... + 22579.

It is an arithmetic number, because the mean of its divisors is an integer number (29744820).

Almost surely, 2^253642504 is an apocalyptic number.

It is an amenable number.

253642504 is a deficient number, since it is larger than the sum of its proper divisors (222274616).

253642504 is a wasteful number, since it uses less digits than its factorization.

253642504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22500 (or 22496 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 253642504 is about 15926.1578542974. The cubic root of 253642504 is about 633.0052966654.

Adding to 253642504 its reverse (405246352), we get a palindrome (658888856).

The spelling of 253642504 in words is "two hundred fifty-three million, six hundred forty-two thousand, five hundred four".