4573565 has 4 divisors (see below), whose sum is σ = 5488284. Its totient is φ = 3658848.

The previous prime is 4573553. The next prime is 4573571. The reversal of 4573565 is 5653754.

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 597529 + 3976036 = 773^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4573565 - 2¹² = 4569469 is a prime.

It is a Duffinian number.

It is a congruent 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, 457352 + ... + 457361.

It is an arithmetic number, because the mean of its divisors is an integer number (1372071).

Almost surely, 2^4573565 is an apocalyptic number.

It is an amenable number.

4573565 is a deficient number, since it is larger than the sum of its proper divisors (914719).

4573565 is an equidigital number, since it uses as much as digits as its factorization.

4573565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914718.

The product of its digits is 63000, while the sum is 35.

The square root of 4573565 is about 2138.5894884246. The cubic root of 4573565 is about 165.9911569296.

The spelling of 4573565 in words is "four million, five hundred seventy-three thousand, five hundred sixty-five".