516502083217 has 4 divisors (see below), whose sum is σ = 516601473076. Its totient is φ = 516402693360.

The previous prime is 516502083197. The next prime is 516502083233. The reversal of 516502083217 is 712380205615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 404806427536 + 111695655681 = 636244^2 + 334209^2 .

It is a cyclic number.

It is not a de Polignac number, because 516502083217 - 2³¹ = 514354599569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516502083217.

It is not an unprimeable number, because it can be changed into a prime (516502083247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49687134 + ... + 49697527.

It is an arithmetic number, because the mean of its divisors is an integer number (129150368269).

Almost surely, 2^516502083217 is an apocalyptic number.

It is an amenable number.

516502083217 is a deficient number, since it is larger than the sum of its proper divisors (99389859).

516502083217 is an equidigital number, since it uses as much as digits as its factorization.

516502083217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99389858.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 516502083217 in words is "five hundred sixteen billion, five hundred two million, eighty-three thousand, two hundred seventeen".