253431075 has 24 divisors (see below), whose sum is σ = 419592688. Its totient is φ = 134974080.

The previous prime is 253431047. The next prime is 253431083. The reversal of 253431075 is 570134352.

253431075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253431075 - 2⁶ = 253431011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63849 + ... + 67701.

Almost surely, 2^253431075 is an apocalyptic number.

253431075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

253431075 is a deficient number, since it is larger than the sum of its proper divisors (166161613).

253431075 is a wasteful number, since it uses less digits than its factorization.

253431075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743 (or 4738 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 253431075 is about 15919.5186799099. The cubic root of 253431075 is about 632.8293628489.

The spelling of 253431075 in words is "two hundred fifty-three million, four hundred thirty-one thousand, seventy-five".