253878474 has 16 divisors (see below), whose sum is σ = 508190112. Its totient is φ = 84553968.

The previous prime is 253878403. The next prime is 253878617. The reversal of 253878474 is 474878352.

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 7 ways as a sum of consecutive naturals, for example, 10164 + ... + 24719.

It is an arithmetic number, because the mean of its divisors is an integer number (31761882).

Almost surely, 2^253878474 is an apocalyptic number.

253878474 is an abundant number, since it is smaller than the sum of its proper divisors (254311638).

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

253878474 is a wasteful number, since it uses less digits than its factorization.

253878474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36101.

The product of its digits is 1505280, while the sum is 48.

The square root of 253878474 is about 15933.5643846567. The cubic root of 253878474 is about 633.2015360712.

The spelling of 253878474 in words is "two hundred fifty-three million, eight hundred seventy-eight thousand, four hundred seventy-four".