5287122817 has 2 divisors, whose sum is σ = 5287122818. Its totient is φ = 5287122816.

The previous prime is 5287122811. The next prime is 5287122847. The reversal of 5287122817 is 7182217825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3150464641 + 2136658176 = 56129^2 + 46224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5287122817 is a prime.

It is not a weakly prime, because it can be changed into another prime (5287122811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643561408 + 2643561409.

It is an arithmetic number, because the mean of its divisors is an integer number (2643561409).

Almost surely, 2^5287122817 is an apocalyptic number.

It is an amenable number.

5287122817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287122817 is an equidigital number, since it uses as much as digits as its factorization.

5287122817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 43.

The square root of 5287122817 is about 72712.6042512576. The cubic root of 5287122817 is about 1742.1002095106.

The spelling of 5287122817 in words is "five billion, two hundred eighty-seven million, one hundred twenty-two thousand, eight hundred seventeen".