5636631 has 32 divisors (see below), whose sum is σ = 10096128. Its totient is φ = 2701440.

The previous prime is 5636629. The next prime is 5636651. The reversal of 5636631 is 1366365.

It is not a de Polignac number, because 5636631 - 2¹ = 5636629 is a prime.

It is a super-2 number, since 2×5636631² = 63543218060322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2065 + ... + 3941.

It is an arithmetic number, because the mean of its divisors is an integer number (315504).

Almost surely, 2^5636631 is an apocalyptic number.

5636631 is a deficient number, since it is larger than the sum of its proper divisors (4459497).

5636631 is a wasteful number, since it uses less digits than its factorization.

5636631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its digits is 9720, while the sum is 30.

The square root of 5636631 is about 2374.1590089967. The cubic root of 5636631 is about 177.9671592824.

It can be divided in two parts, 5 and 636631, that added together give a palindrome (636636).

The spelling of 5636631 in words is "five million, six hundred thirty-six thousand, six hundred thirty-one".