564435565 has 16 divisors (see below), whose sum is σ = 719294400. Its totient is φ = 423988992.

The previous prime is 564435563. The next prime is 564435577. The reversal of 564435565 is 565534465.

It is a cyclic number.

It is not a de Polignac number, because 564435565 - 2¹ = 564435563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564435563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15555 + ... + 37024.

It is an arithmetic number, because the mean of its divisors is an integer number (44955900).

Almost surely, 2^564435565 is an apocalyptic number.

It is an amenable number.

564435565 is a deficient number, since it is larger than the sum of its proper divisors (154858835).

564435565 is a wasteful number, since it uses less digits than its factorization.

564435565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52716.

The product of its digits is 1080000, while the sum is 43.

The square root of 564435565 is about 23757.8527017910. The cubic root of 564435565 is about 826.4275571425.

Adding to 564435565 its product of digits (1080000), we get a palindrome (565515565).

It can be divided in two parts, 5644 and 35565, that added together give a square (41209 = 203²).

The spelling of 564435565 in words is "five hundred sixty-four million, four hundred thirty-five thousand, five hundred sixty-five".