5318631 has 6 divisors (see below), whose sum is σ = 7682480. Its totient is φ = 3545748.

The previous prime is 5318591. The next prime is 5318647. The reversal of 5318631 is 1368135.

It is not a de Polignac number, because 5318631 - 2⁷ = 5318503 is a prime.

It is a super-2 number, since 2×5318631² = 56575671428322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5318595 and 5318604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5318431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 295471 + ... + 295488.

Almost surely, 2^5318631 is an apocalyptic number.

5318631 is a deficient number, since it is larger than the sum of its proper divisors (2363849).

5318631 is a wasteful number, since it uses less digits than its factorization.

5318631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590965 (or 590962 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 5318631 is about 2306.2157314527. The cubic root of 5318631 is about 174.5553993061. Note that the first 3 decimals are identical.

The spelling of 5318631 in words is "five million, three hundred eighteen thousand, six hundred thirty-one".