5021631 has 12 divisors (see below), whose sum is σ = 7273552. Its totient is φ = 3338496.

The previous prime is 5021609. The next prime is 5021633. The reversal of 5021631 is 1361205.

5021631 is a `hidden beast` number, since 502 + 163 + 1 = 666.

It is not a de Polignac number, because 5021631 - 2⁷ = 5021503 is a prime.

It is a super-2 number, since 2×5021631² = 50433555800322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4710 + ... + 5676.

Almost surely, 2^5021631 is an apocalyptic number.

5021631 is a deficient number, since it is larger than the sum of its proper divisors (2251921).

5021631 is a wasteful number, since it uses less digits than its factorization.

5021631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5021631 is about 2240.8995961444. The cubic root of 5021631 is about 171.2438298521.

Adding to 5021631 its reverse (1361205), we get a palindrome (6382836).

The spelling of 5021631 in words is "five million, twenty-one thousand, six hundred thirty-one".