5118431 has 2 divisors, whose sum is σ = 5118432. Its totient is φ = 5118430.

The previous prime is 5118409. The next prime is 5118433. The reversal of 5118431 is 1348115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5118431 - 2⁶ = 5118367 is a prime.

It is a super-2 number, since 2×5118431² = 52396671803522, which contains 22 as substring.

Together with 5118433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5118397 and 5118406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5118433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559215 + 2559216.

It is an arithmetic number, because the mean of its divisors is an integer number (2559216).

Almost surely, 2^5118431 is an apocalyptic number.

5118431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5118431 is an equidigital number, since it uses as much as digits as its factorization.

5118431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 23.

The square root of 5118431 is about 2262.3949699378. The cubic root of 5118431 is about 172.3371676329.

It can be divided in two parts, 51184 and 31, that added together give a palindrome (51215).

The spelling of 5118431 in words is "five million, one hundred eighteen thousand, four hundred thirty-one".