253263525256 has 128 divisors (see below), whose sum is σ = 577846483200. Its totient is φ = 101648563200.

The previous prime is 253263525253. The next prime is 253263525271. The reversal of 253263525256 is 652525362352.

It is not an unprimeable number, because it can be changed into a prime (253263525253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85647330 + ... + 85650286.

It is an arithmetic number, because the mean of its divisors is an integer number (4514425650).

Almost surely, 2^253263525256 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 253263525256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288923241600).

253263525256 is an abundant number, since it is smaller than the sum of its proper divisors (324582957944).

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

253263525256 is a wasteful number, since it uses less digits than its factorization.

253263525256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3883 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 46.

The spelling of 253263525256 in words is "two hundred fifty-three billion, two hundred sixty-three million, five hundred twenty-five thousand, two hundred fifty-six".