564520811 has 2 divisors, whose sum is σ = 564520812. Its totient is φ = 564520810.

The previous prime is 564520771. The next prime is 564520823. The reversal of 564520811 is 118025465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564520811 - 2¹⁴ = 564504427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (564520111) 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, 282260405 + 282260406.

It is an arithmetic number, because the mean of its divisors is an integer number (282260406).

Almost surely, 2^564520811 is an apocalyptic number.

564520811 is a deficient number, since it is larger than the sum of its proper divisors (1).

564520811 is an equidigital number, since it uses as much as digits as its factorization.

564520811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 564520811 is about 23759.6466935011. The cubic root of 564520811 is about 826.4691598228.

The spelling of 564520811 in words is "five hundred sixty-four million, five hundred twenty thousand, eight hundred eleven".