513500563 has 2 divisors, whose sum is σ = 513500564. Its totient is φ = 513500562.

The previous prime is 513500551. The next prime is 513500579. The reversal of 513500563 is 365005315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513500563 - 2⁵ = 513500531 is a prime.

It is not a weakly prime, because it can be changed into another prime (513500513) 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 as a sum of consecutive naturals, namely, 256750281 + 256750282.

It is an arithmetic number, because the mean of its divisors is an integer number (256750282).

Almost surely, 2^513500563 is an apocalyptic number.

513500563 is a deficient number, since it is larger than the sum of its proper divisors (1).

513500563 is an equidigital number, since it uses as much as digits as its factorization.

513500563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 513500563 is about 22660.5508097222. The cubic root of 513500563 is about 800.7807809576.

Adding to 513500563 its reverse (365005315), we get a palindrome (878505878).

The spelling of 513500563 in words is "five hundred thirteen million, five hundred thousand, five hundred sixty-three".