51160931 has 2 divisors, whose sum is σ = 51160932. Its totient is φ = 51160930.

The previous prime is 51160913. The next prime is 51160937. The reversal of 51160931 is 13906115.

51160931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (51160913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51160931 - 2⁶ = 51160867 is a prime.

It is a super-2 number, since 2×51160931² = 5234881721573522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51160931.

It is not a weakly prime, because it can be changed into another prime (51160937) 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 as a sum of consecutive naturals, namely, 25580465 + 25580466.

It is an arithmetic number, because the mean of its divisors is an integer number (25580466).

Almost surely, 2^51160931 is an apocalyptic number.

51160931 is a deficient number, since it is larger than the sum of its proper divisors (1).

51160931 is an equidigital number, since it uses as much as digits as its factorization.

51160931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 51160931 is about 7152.6869776330. The cubic root of 51160931 is about 371.2326335749.

The spelling of 51160931 in words is "fifty-one million, one hundred sixty thousand, nine hundred thirty-one".