253804242 has 16 divisors (see below), whose sum is σ = 534324960. Its totient is φ = 80148672.

The previous prime is 253804219. The next prime is 253804267. The reversal of 253804242 is 242408352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113063 + ... + 1113290.

It is an arithmetic number, because the mean of its divisors is an integer number (33395310).

Almost surely, 2^253804242 is an apocalyptic number.

253804242 is an abundant number, since it is smaller than the sum of its proper divisors (280520718).

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

253804242 is a wasteful number, since it uses less digits than its factorization.

253804242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226377.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 253804242 is about 15931.2347920681. The cubic root of 253804242 is about 633.1398157297.

The spelling of 253804242 in words is "two hundred fifty-three million, eight hundred four thousand, two hundred forty-two".