5156731 has 2 divisors, whose sum is σ = 5156732. Its totient is φ = 5156730.

The previous prime is 5156719. The next prime is 5156737. The reversal of 5156731 is 1376515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5156731 - 2¹⁹ = 4632443 is a prime.

It is a super-2 number, since 2×5156731² = 53183749212722, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5156731.

It is not a weakly prime, because it can be changed into another prime (5156737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578365 + 2578366.

It is an arithmetic number, because the mean of its divisors is an integer number (2578366).

Almost surely, 2^5156731 is an apocalyptic number.

5156731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156731 is an equidigital number, since it uses as much as digits as its factorization.

5156731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 28.

The square root of 5156731 is about 2270.8436758174. The cubic root of 5156731 is about 172.7659525648.

The spelling of 5156731 in words is "five million, one hundred fifty-six thousand, seven hundred thirty-one".