516563 has 2 divisors, whose sum is σ = 516564. Its totient is φ = 516562.

The previous prime is 516541. The next prime is 516587. The reversal of 516563 is 365615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516563 - 2⁶ = 516499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (516163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258281 + 258282.

It is an arithmetic number, because the mean of its divisors is an integer number (258282).

2⁵¹⁶⁵⁶³ is an apocalyptic number.

516563 is a deficient number, since it is larger than the sum of its proper divisors (1).

516563 is an equidigital number, since it uses as much as digits as its factorization.

516563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 516563 is about 718.7231734124. The cubic root of 516563 is about 80.2369537188.

The spelling of 516563 in words is "five hundred sixteen thousand, five hundred sixty-three".