51130571 has 2 divisors, whose sum is σ = 51130572. Its totient is φ = 51130570.

The previous prime is 51130537. The next prime is 51130591. The reversal of 51130571 is 17503115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51130571 - 2⁶ = 51130507 is a prime.

It is a super-2 number, since 2×51130571² = 5228670581572082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51130591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25565285 + 25565286.

It is an arithmetic number, because the mean of its divisors is an integer number (25565286).

Almost surely, 2^51130571 is an apocalyptic number.

51130571 is a deficient number, since it is larger than the sum of its proper divisors (1).

51130571 is an equidigital number, since it uses as much as digits as its factorization.

51130571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 51130571 is about 7150.5643833197. The cubic root of 51130571 is about 371.1591865606.

Adding to 51130571 its reverse (17503115), we get a palindrome (68633686).

The spelling of 51130571 in words is "fifty-one million, one hundred thirty thousand, five hundred seventy-one".