516090979 has 2 divisors, whose sum is σ = 516090980. Its totient is φ = 516090978.

The previous prime is 516090959. The next prime is 516091003. The reversal of 516090979 is 979090615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516090979 - 2⁷ = 516090851 is a prime.

It is not a weakly prime, because it can be changed into another prime (516090959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258045489 + 258045490.

It is an arithmetic number, because the mean of its divisors is an integer number (258045490).

Almost surely, 2^516090979 is an apocalyptic number.

516090979 is a deficient number, since it is larger than the sum of its proper divisors (1).

516090979 is an equidigital number, since it uses as much as digits as its factorization.

516090979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 516090979 is about 22717.6358585131. The cubic root of 516090979 is about 802.1250683366.

The spelling of 516090979 in words is "five hundred sixteen million, ninety thousand, nine hundred seventy-nine".