5137631 has 6 divisors (see below), whose sum is σ = 5229432. Its totient is φ = 5046440.

The previous prime is 5137547. The next prime is 5137651. The reversal of 5137631 is 1367315.

It is a happy number.

It is not a de Polignac number, because 5137631 - 2¹⁴ = 5121247 is a prime.

It is a super-2 number, since 2×5137631² = 52790504584322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5137631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5137651) 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, 18965 + ... + 19233.

It is an arithmetic number, because the mean of its divisors is an integer number (871572).

Almost surely, 2^5137631 is an apocalyptic number.

5137631 is a deficient number, since it is larger than the sum of its proper divisors (91801).

5137631 is an frugal number, since it uses more digits than its factorization.

5137631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 340 counting only the distinct ones).

The product of its digits is 1890, while the sum is 26.

The square root of 5137631 is about 2266.6342889844. The cubic root of 5137631 is about 172.5523862457.

The spelling of 5137631 in words is "five million, one hundred thirty-seven thousand, six hundred thirty-one".