253680524530 has 16 divisors (see below), whose sum is σ = 457001408664. Its totient is φ = 101388551040.

The previous prime is 253680524509. The next prime is 253680524561. The reversal of 253680524530 is 35425086352.

It can be written as a sum of positive squares in 4 ways, for example, as 75555166129 + 178125358401 = 274873^2 + 422049^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10444611 + ... + 10468870.

Almost surely, 2^253680524530 is an apocalyptic number.

253680524530 is a deficient number, since it is larger than the sum of its proper divisors (203320884134).

253680524530 is a wasteful number, since it uses less digits than its factorization.

253680524530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20914701.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 253680524530 in words is "two hundred fifty-three billion, six hundred eighty million, five hundred twenty-four thousand, five hundred thirty".