253256 has 8 divisors (see below), whose sum is σ = 474870. Its totient is φ = 126624.

The previous prime is 253247. The next prime is 253273. The reversal of 253256 is 652352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 217156 + 36100 = 466^2 + 190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253256.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15821 + ... + 15836.

2²⁵³²⁵⁶ is an apocalyptic number.

It is an amenable number.

253256 is a deficient number, since it is larger than the sum of its proper divisors (221614).

253256 is a wasteful number, since it uses less digits than its factorization.

253256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31663 (or 31659 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 253256 is about 503.2454669443. The cubic root of 253256 is about 63.2683605765.

The spelling of 253256 in words is "two hundred fifty-three thousand, two hundred fifty-six".