5187031 has 4 divisors (see below), whose sum is σ = 5207472. Its totient is φ = 5166592.

The previous prime is 5187011. The next prime is 5187089. The reversal of 5187031 is 1307815.

5187031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1307815 = 5 ⋅261563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5187031 is a prime.

It is a super-2 number, since 2×5187031² = 53810581189922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5186987 and 5187005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187011) 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, 9835 + ... + 10348.

It is an arithmetic number, because the mean of its divisors is an integer number (1301868).

Almost surely, 2^5187031 is an apocalyptic number.

5187031 is a deficient number, since it is larger than the sum of its proper divisors (20441).

5187031 is a wasteful number, since it uses less digits than its factorization.

5187031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20440.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 5187031 is about 2277.5054335830. The cubic root of 5187031 is about 173.1036722544.

The spelling of 5187031 in words is "five million, one hundred eighty-seven thousand, thirty-one".