516323209 has 8 divisors (see below), whose sum is σ = 532425600. Its totient is φ = 500388000.

The previous prime is 516323207. The next prime is 516323237. The reversal of 516323209 is 902323615.

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

It is a cyclic number.

It is not a de Polignac number, because 516323209 - 2¹ = 516323207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516323207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35509 + ... + 47890.

It is an arithmetic number, because the mean of its divisors is an integer number (66553200).

Almost surely, 2^516323209 is an apocalyptic number.

It is an amenable number.

516323209 is a deficient number, since it is larger than the sum of its proper divisors (16102391).

516323209 is a wasteful number, since it uses less digits than its factorization.

516323209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83591.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 516323209 is about 22722.7465109304. The cubic root of 516323209 is about 802.2453633872.

The spelling of 516323209 in words is "five hundred sixteen million, three hundred twenty-three thousand, two hundred nine".