5187931 has 12 divisors (see below), whose sum is σ = 6260592. Its totient is φ = 4210704.

The previous prime is 5187913. The next prime is 5187937. The reversal of 5187931 is 1397815.

It is a happy number.

It is not a de Polignac number, because 5187931 - 2⁷ = 5187803 is a prime.

It is a super-2 number, since 2×5187931² = 53829256121522, which contains 22 as substring.

It is a Duffinian number.

5187931 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5187937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (521716).

Almost surely, 2^5187931 is an apocalyptic number.

5187931 is a deficient number, since it is larger than the sum of its proper divisors (1072661).

5187931 is a wasteful number, since it uses less digits than its factorization.

5187931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098 (or 2079 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 5187931 is about 2277.7030096130. The cubic root of 5187931 is about 173.1136833954.

The spelling of 5187931 in words is "five million, one hundred eighty-seven thousand, nine hundred thirty-one".