82536631 has 2 divisors, whose sum is σ = 82536632. Its totient is φ = 82536630.

The previous prime is 82536617. The next prime is 82536661. The reversal of 82536631 is 13663528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82536631 - 2²³ = 74148023 is a prime.

It is a super-2 number, since 2×82536631² = 13624590913660322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82536661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41268315 + 41268316.

It is an arithmetic number, because the mean of its divisors is an integer number (41268316).

Almost surely, 2^82536631 is an apocalyptic number.

82536631 is a deficient number, since it is larger than the sum of its proper divisors (1).

82536631 is an equidigital number, since it uses as much as digits as its factorization.

82536631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 82536631 is about 9084.9673086919. The cubic root of 82536631 is about 435.3938055329.

It can be divided in two parts, 8253 and 6631, that added together give a square (14884 = 122²).

The spelling of 82536631 in words is "eighty-two million, five hundred thirty-six thousand, six hundred thirty-one".