5931 has 6 divisors (see below), whose sum is σ = 8580. Its totient is φ = 3948.

The previous prime is 5927. The next prime is 5939. The reversal of 5931 is 1395.

It is not a de Polignac number, because 5931 - 2² = 5927 is a prime.

It is a super-2 number, since 2×5931² = 70353522, which contains 22 as substring.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 5931.

It is not an unprimeable number, because it can be changed into a prime (5939) 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, 321 + ... + 338.

It is an arithmetic number, because the mean of its divisors is an integer number (1430).

2⁵⁹³¹ is an apocalyptic number.

5931 is a deficient number, since it is larger than the sum of its proper divisors (2649).

5931 is a wasteful number, since it uses less digits than its factorization.

5931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 662 counting only the distinct ones).

The product of its digits is 135, while the sum is 18.

The square root of 5931 is about 77.0129859180. The cubic root of 5931 is about 18.1012809040.

The spelling of 5931 in words is "five thousand, nine hundred thirty-one".