253441956 has 12 divisors (see below), whose sum is σ = 591364592. Its totient is φ = 84480648.

The previous prime is 253441949. The next prime is 253442011. The reversal of 253441956 is 659144352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×253441956² = 128465650122211872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10560070 + ... + 10560093.

Almost surely, 2^253441956 is an apocalyptic number.

It is an amenable number.

253441956 is an abundant number, since it is smaller than the sum of its proper divisors (337922636).

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

253441956 is a wasteful number, since it uses less digits than its factorization.

253441956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21120170 (or 21120168 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 253441956 is about 15919.8604265238. The cubic root of 253441956 is about 632.8384195096.

The spelling of 253441956 in words is "two hundred fifty-three million, four hundred forty-one thousand, nine hundred fifty-six".