253242884 has 12 divisors (see below), whose sum is σ = 445998924. Its totient is φ = 125814624.

The previous prime is 253242883. The next prime is 253242901. The reversal of 253242884 is 488242352.

It can be written as a sum of positive squares in 2 ways, for example, as 91393600 + 161849284 = 9560^2 + 12722^2 .

It is not an unprimeable number, because it can be changed into a prime (253242881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200999 + ... + 202254.

It is an arithmetic number, because the mean of its divisors is an integer number (37166577).

Almost surely, 2^253242884 is an apocalyptic number.

It is an amenable number.

253242884 is a deficient number, since it is larger than the sum of its proper divisors (192756040).

253242884 is a wasteful number, since it uses less digits than its factorization.

253242884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403414 (or 403412 counting only the distinct ones).

The product of its digits is 122880, while the sum is 38.

The square root of 253242884 is about 15913.6068821622. The cubic root of 253242884 is about 632.6726834557.

The spelling of 253242884 in words is "two hundred fifty-three million, two hundred forty-two thousand, eight hundred eighty-four".