5185131 has 16 divisors (see below), whose sum is σ = 8064000. Its totient is φ = 2962344.

The previous prime is 5185129. The next prime is 5185139. The reversal of 5185131 is 1315815.

It is not a de Polignac number, because 5185131 - 2¹ = 5185129 is a prime.

It is a super-2 number, since 2×5185131² = 53771166974322, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5185139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491 + ... + 3548.

It is an arithmetic number, because the mean of its divisors is an integer number (504000).

Almost surely, 2^5185131 is an apocalyptic number.

5185131 is a deficient number, since it is larger than the sum of its proper divisors (2878869).

5185131 is an equidigital number, since it uses as much as digits as its factorization.

5185131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5049 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 5185131 is about 2277.0882723338. The cubic root of 5185131 is about 173.0825338200.

It can be divided in two parts, 5 and 185131, that added together give a triangular number (185136 = T₆₀₈).

The spelling of 5185131 in words is "five million, one hundred eighty-five thousand, one hundred thirty-one".