516996563 has 2 divisors, whose sum is σ = 516996564. Its totient is φ = 516996562.

The previous prime is 516996541. The next prime is 516996577. The reversal of 516996563 is 365699615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516996563 - 2⁶ = 516996499 is a prime.

It is not a weakly prime, because it can be changed into another prime (516996463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258498281 + 258498282.

It is an arithmetic number, because the mean of its divisors is an integer number (258498282).

Almost surely, 2^516996563 is an apocalyptic number.

516996563 is a deficient number, since it is larger than the sum of its proper divisors (1).

516996563 is an equidigital number, since it uses as much as digits as its factorization.

516996563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1312200, while the sum is 50.

The square root of 516996563 is about 22737.5584221350. The cubic root of 516996563 is about 802.5939567078.

The spelling of 516996563 in words is "five hundred sixteen million, nine hundred ninety-six thousand, five hundred sixty-three".