253256525026 has 12 divisors (see below), whose sum is σ = 397119637782. Its totient is φ = 121122685376.

The previous prime is 253256525021. The next prime is 253256525051. The reversal of 253256525026 is 620525652352.

It can be written as a sum of positive squares in only one way, i.e., 162654923025 + 90601602001 = 403305^2 + 301001^2 .

It is not an unprimeable number, because it can be changed into a prime (253256525021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119685391 + ... + 119687506.

Almost surely, 2^253256525026 is an apocalyptic number.

253256525026 is a deficient number, since it is larger than the sum of its proper divisors (143863112756).

253256525026 is a wasteful number, since it uses less digits than its factorization.

253256525026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239372945 (or 239372922 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 253256525026 in words is "two hundred fifty-three billion, two hundred fifty-six million, five hundred twenty-five thousand, twenty-six".