516860017 has 2 divisors, whose sum is σ = 516860018. Its totient is φ = 516860016.

The previous prime is 516860009. The next prime is 516860023. The reversal of 516860017 is 710068615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298736656 + 218123361 = 17284^2 + 14769^2 .

It is a cyclic number.

It is not a de Polignac number, because 516860017 - 2³ = 516860009 is a prime.

It is not a weakly prime, because it can be changed into another prime (516860087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258430008 + 258430009.

It is an arithmetic number, because the mean of its divisors is an integer number (258430009).

Almost surely, 2^516860017 is an apocalyptic number.

It is an amenable number.

516860017 is a deficient number, since it is larger than the sum of its proper divisors (1).

516860017 is an equidigital number, since it uses as much as digits as its factorization.

516860017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 516860017 is about 22734.5555707606. Note that the first 4 decimals coincide. The cubic root of 516860017 is about 802.5232917351.

The spelling of 516860017 in words is "five hundred sixteen million, eight hundred sixty thousand, seventeen".