5999131 has 4 divisors (see below), whose sum is σ = 6004264. Its totient is φ = 5994000.

The previous prime is 5999129. The next prime is 5999137. The reversal of 5999131 is 1319995.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5999131 - 2¹ = 5999129 is a prime.

It is a super-2 number, since 2×5999131² = 71979145510322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5999137) 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, 136 + ... + 3466.

It is an arithmetic number, because the mean of its divisors is an integer number (1501066).

Almost surely, 2^5999131 is an apocalyptic number.

5999131 is a deficient number, since it is larger than the sum of its proper divisors (5133).

5999131 is a wasteful number, since it uses less digits than its factorization.

5999131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132.

The product of its digits is 10935, while the sum is 37.

The square root of 5999131 is about 2449.3123524777. The cubic root of 5999131 is about 181.7032862052.

It can be divided in two parts, 599 and 9131, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 5999131 in words is "five million, nine hundred ninety-nine thousand, one hundred thirty-one".