5156431 has 16 divisors (see below), whose sum is σ = 6206464. Its totient is φ = 4191264.

The previous prime is 5156419. The next prime is 5156441. The reversal of 5156431 is 1346515.

It is not a de Polignac number, because 5156431 - 2⁵ = 5156399 is a prime.

It is a super-2 number, since 2×5156431² = 53177561315522, 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 = 5156396 and 5156405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156441) 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, 10906 + ... + 11368.

It is an arithmetic number, because the mean of its divisors is an integer number (387904).

Almost surely, 2^5156431 is an apocalyptic number.

5156431 is a deficient number, since it is larger than the sum of its proper divisors (1050033).

5156431 is a wasteful number, since it uses less digits than its factorization.

5156431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its digits is 1800, while the sum is 25.

The square root of 5156431 is about 2270.7776201117. Note that the first 3 decimals coincide. The cubic root of 5156431 is about 172.7626021999.

The spelling of 5156431 in words is "five million, one hundred fifty-six thousand, four hundred thirty-one".