564523105 has 4 divisors (see below), whose sum is σ = 677427732. Its totient is φ = 451618480.

The previous prime is 564523093. The next prime is 564523111. The reversal of 564523105 is 501325465.

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 216178209 + 348344896 = 14703^2 + 18664^2 .

It is not a de Polignac number, because 564523105 - 2⁵ = 564523073 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 56452306 + ... + 56452315.

It is an arithmetic number, because the mean of its divisors is an integer number (169356933).

Almost surely, 2^564523105 is an apocalyptic number.

It is an amenable number.

564523105 is a deficient number, since it is larger than the sum of its proper divisors (112904627).

564523105 is a wasteful number, since it uses less digits than its factorization.

564523105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112904626.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 564523105 is about 23759.6949685807. The cubic root of 564523105 is about 826.4702793078.

The spelling of 564523105 in words is "five hundred sixty-four million, five hundred twenty-three thousand, one hundred five".