5631937 has 4 divisors (see below), whose sum is σ = 5686720. Its totient is φ = 5577156.

The previous prime is 5631911. The next prime is 5631943. The reversal of 5631937 is 7391365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7391365 = 5 ⋅1478273.

It is a cyclic number.

It is not a de Polignac number, because 5631937 - 2¹¹ = 5629889 is a prime.

It is a Duffinian number.

5631937 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5631037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27237 + ... + 27442.

It is an arithmetic number, because the mean of its divisors is an integer number (1421680).

Almost surely, 2^5631937 is an apocalyptic number.

It is an amenable number.

5631937 is a deficient number, since it is larger than the sum of its proper divisors (54783).

5631937 is a wasteful number, since it uses less digits than its factorization.

5631937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54782.

The product of its digits is 17010, while the sum is 34.

The square root of 5631937 is about 2373.1702425237. The cubic root of 5631937 is about 177.9177438399.

It can be divided in two parts, 563 and 1937, that added together give a square (2500 = 50²).

The spelling of 5631937 in words is "five million, six hundred thirty-one thousand, nine hundred thirty-seven".