516817093 has 8 divisors (see below), whose sum is σ = 557482968. Its totient is φ = 476281344.

The previous prime is 516817039. The next prime is 516817097. The reversal of 516817093 is 390718615.

It can be written as a sum of positive squares in 4 ways, for example, as 9351364 + 507465729 = 3058^2 + 22527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516817093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516817097) 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 in 7 ways as a sum of consecutive naturals, for example, 24196 + ... + 40237.

It is an arithmetic number, because the mean of its divisors is an integer number (69685371).

Almost surely, 2^516817093 is an apocalyptic number.

It is an amenable number.

516817093 is a deficient number, since it is larger than the sum of its proper divisors (40665875).

516817093 is a wasteful number, since it uses less digits than its factorization.

516817093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65063.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 516817093 is about 22733.6115256683. The cubic root of 516817093 is about 802.5010752340.

The spelling of 516817093 in words is "five hundred sixteen million, eight hundred seventeen thousand, ninety-three".