5631637 has 8 divisors (see below), whose sum is σ = 6293952. Its totient is φ = 4994400.

The previous prime is 5631629. The next prime is 5631671. The reversal of 5631637 is 7361365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5631637 - 2³ = 5631629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5631599 and 5631608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5793 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (786744).

Almost surely, 2^5631637 is an apocalyptic number.

It is an amenable number.

5631637 is a deficient number, since it is larger than the sum of its proper divisors (662315).

5631637 is a wasteful number, since it uses less digits than its factorization.

5631637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12539.

The product of its digits is 11340, while the sum is 31.

The square root of 5631637 is about 2373.1070350913. The cubic root of 5631637 is about 177.9145846976.

The spelling of 5631637 in words is "five million, six hundred thirty-one thousand, six hundred thirty-seven".