516979 has 2 divisors, whose sum is σ = 516980. Its totient is φ = 516978.

The previous prime is 516977. The next prime is 516991. The reversal of 516979 is 979615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516979 - 2¹ = 516977 is a prime.

Together with 516977, it forms a pair of twin primes.

516979 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (516973) 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 as a sum of consecutive naturals, namely, 258489 + 258490.

It is an arithmetic number, because the mean of its divisors is an integer number (258490).

2⁵¹⁶⁹⁷⁹ is an apocalyptic number.

516979 is a deficient number, since it is larger than the sum of its proper divisors (1).

516979 is an equidigital number, since it uses as much as digits as its factorization.

516979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 37.

The square root of 516979 is about 719.0125172763. The cubic root of 516979 is about 80.2584868242.

The spelling of 516979 in words is "five hundred sixteen thousand, nine hundred seventy-nine".