253057 has 4 divisors (see below), whose sum is σ = 289216. Its totient is φ = 216900.

The previous prime is 253049. The next prime is 253063. The reversal of 253057 is 750352.

253057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253057 - 2³ = 253049 is a prime.

It is a Duffinian number.

253057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (253157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18069 + ... + 18082.

It is an arithmetic number, because the mean of its divisors is an integer number (72304).

2²⁵³⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

253057 is a deficient number, since it is larger than the sum of its proper divisors (36159).

253057 is an equidigital number, since it uses as much as digits as its factorization.

253057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36158.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 253057 is about 503.0477114549. The cubic root of 253057 is about 63.2517848549.

The spelling of 253057 in words is "two hundred fifty-three thousand, fifty-seven".