564768605 has 4 divisors (see below), whose sum is σ = 677722332. Its totient is φ = 451814880.

The previous prime is 564768587. The next prime is 564768613. The reversal of 564768605 is 506867465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190384804 + 374383801 = 13798^2 + 19349^2 .

It is not a de Polignac number, because 564768605 - 2¹⁸ = 564506461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564768605.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 56476856 + ... + 56476865.

It is an arithmetic number, because the mean of its divisors is an integer number (169430583).

Almost surely, 2^564768605 is an apocalyptic number.

It is an amenable number.

564768605 is a deficient number, since it is larger than the sum of its proper divisors (112953727).

564768605 is a wasteful number, since it uses less digits than its factorization.

564768605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112953726.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 564768605 is about 23764.8607191374. The cubic root of 564768605 is about 826.5900671704.

The spelling of 564768605 in words is "five hundred sixty-four million, seven hundred sixty-eight thousand, six hundred five".