253859256 has 96 divisors (see below), whose sum is σ = 793135200. Its totient is φ = 71850240.

The previous prime is 253859251. The next prime is 253859261. The reversal of 253859256 is 652958352.

253859256 is a `hidden beast` number, since 2 + 5 + 3 + 8 + 592 + 56 = 666.

253859256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253859251) and next prime (253859261).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253859251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52626 + ... + 57246.

It is an arithmetic number, because the mean of its divisors is an integer number (8261825).

Almost surely, 2^253859256 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 253859256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396567600).

253859256 is an abundant number, since it is smaller than the sum of its proper divisors (539275944).

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

253859256 is a wasteful number, since it uses less digits than its factorization.

253859256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749 (or 4742 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 253859256 is about 15932.9613066749. The cubic root of 253859256 is about 633.1855583819.

The spelling of 253859256 in words is "two hundred fifty-three million, eight hundred fifty-nine thousand, two hundred fifty-six".