564441605 has 32 divisors (see below), whose sum is σ = 835204608. Its totient is φ = 356601600.

The previous prime is 564441593. The next prime is 564441611. The reversal of 564441605 is 506144465.

It is not a de Polignac number, because 564441605 - 2⁴ = 564441589 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372800 + ... + 374310.

It is an arithmetic number, because the mean of its divisors is an integer number (26100144).

Almost surely, 2^564441605 is an apocalyptic number.

It is an amenable number.

564441605 is a deficient number, since it is larger than the sum of its proper divisors (270763003).

564441605 is a wasteful number, since it uses less digits than its factorization.

564441605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 564441605 is about 23757.9798173161. The cubic root of 564441605 is about 826.4305049868.

The spelling of 564441605 in words is "five hundred sixty-four million, four hundred forty-one thousand, six hundred five".