253631682 has 16 divisors (see below), whose sum is σ = 563626080. Its totient is φ = 84543876.

The previous prime is 253631671. The next prime is 253631683. The reversal of 253631682 is 286136352.

It is a happy number.

253631682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253631682² = 128658060228298248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253631683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348388 + ... + 2348495.

It is an arithmetic number, because the mean of its divisors is an integer number (35226630).

Almost surely, 2^253631682 is an apocalyptic number.

253631682 is an abundant number, since it is smaller than the sum of its proper divisors (309994398).

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

253631682 is a wasteful number, since it uses less digits than its factorization.

253631682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696894 (or 4696888 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 253631682 is about 15925.8180951561. The cubic root of 253631682 is about 632.9962938621.

The spelling of 253631682 in words is "two hundred fifty-three million, six hundred thirty-one thousand, six hundred eighty-two".