4522565 has 4 divisors (see below), whose sum is σ = 5427084. Its totient is φ = 3618048.

The previous prime is 4522549. The next prime is 4522577. The reversal of 4522565 is 5652254.

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 454276 + 4068289 = 674^2 + 2017^2 .

It is a cyclic number.

It is not a de Polignac number, because 4522565 - 2⁴ = 4522549 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452252 + ... + 452261.

It is an arithmetic number, because the mean of its divisors is an integer number (1356771).

Almost surely, 2^4522565 is an apocalyptic number.

It is an amenable number.

4522565 is a deficient number, since it is larger than the sum of its proper divisors (904519).

4522565 is an equidigital number, since it uses as much as digits as its factorization.

4522565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904518.

The product of its digits is 12000, while the sum is 29.

The square root of 4522565 is about 2126.6323142471. The cubic root of 4522565 is about 165.3718579834.

It can be divided in two parts, 4522 and 565, that multiplied together give a triangular number (2554930 = T₂₂₆₀).

The spelling of 4522565 in words is "four million, five hundred twenty-two thousand, five hundred sixty-five".