253376256 has 108 divisors (see below), whose sum is σ = 784564872. Its totient is φ = 72382464.

The previous prime is 253376251. The next prime is 253376273. The reversal of 253376256 is 652673352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253376251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34266 + ... + 40998.

Almost surely, 2^253376256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253376256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392282436).

253376256 is an abundant number, since it is smaller than the sum of its proper divisors (531188616).

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

253376256 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (253376257) it forms an eRAP, since the sums of their prime factors are consecutive (6766 and 6767).

253376256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766 (or 6745 counting only the distinct ones).

The product of its digits is 226800, while the sum is 39.

The square root of 253376256 is about 15917.7968324765. The cubic root of 253376256 is about 632.7837310146.

The spelling of 253376256 in words is "two hundred fifty-three million, three hundred seventy-six thousand, two hundred fifty-six".