516872993 has 8 divisors (see below), whose sum is σ = 636151488. Its totient is φ = 408954384.

The previous prime is 516872977. The next prime is 516873001. The reversal of 516872993 is 399278615.

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 516872993 - 2⁴ = 516872977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516872933) 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, 2839871 + ... + 2840052.

It is an arithmetic number, because the mean of its divisors is an integer number (79518936).

Almost surely, 2^516872993 is an apocalyptic number.

It is an amenable number.

516872993 is a deficient number, since it is larger than the sum of its proper divisors (119278495).

516872993 is a wasteful number, since it uses less digits than its factorization.

516872993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679943.

The product of its digits is 816480, while the sum is 50.

The square root of 516872993 is about 22734.8409495206. The cubic root of 516872993 is about 802.5300075800.

The spelling of 516872993 in words is "five hundred sixteen million, eight hundred seventy-two thousand, nine hundred ninety-three".