5291631 has 6 divisors (see below), whose sum is σ = 7643480. Its totient is φ = 3527748.

The previous prime is 5291621. The next prime is 5291639. The reversal of 5291631 is 1361925.

5291631 is a `hidden beast` number, since 5 + 29 + 1 + 631 = 666.

5291631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5291631 - 2⁵ = 5291599 is a prime.

It is a super-2 number, since 2×5291631² = 56002717280322, 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 = 5291595 and 5291604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5291639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293971 + ... + 293988.

Almost surely, 2^5291631 is an apocalyptic number.

5291631 is a deficient number, since it is larger than the sum of its proper divisors (2351849).

5291631 is a wasteful number, since it uses less digits than its factorization.

5291631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587965 (or 587962 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 5291631 is about 2300.3545378919. The cubic root of 5291631 is about 174.2595215690.

The spelling of 5291631 in words is "five million, two hundred ninety-one thousand, six hundred thirty-one".