564807773 has 2 divisors, whose sum is σ = 564807774. Its totient is φ = 564807772.

The previous prime is 564807751. The next prime is 564807781. The reversal of 564807773 is 377708465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554225764 + 10582009 = 23542^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 564807773 - 2⁸ = 564807517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564807703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282403886 + 282403887.

It is an arithmetic number, because the mean of its divisors is an integer number (282403887).

Almost surely, 2^564807773 is an apocalyptic number.

It is an amenable number.

564807773 is a deficient number, since it is larger than the sum of its proper divisors (1).

564807773 is an equidigital number, since it uses as much as digits as its factorization.

564807773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 564807773 is about 23765.6847786888. The cubic root of 564807773 is about 826.6091753686.

The spelling of 564807773 in words is "five hundred sixty-four million, eight hundred seven thousand, seven hundred seventy-three".