4520565 has 48 divisors (see below), whose sum is σ = 9105408. Its totient is φ = 2032128.

The previous prime is 4520563. The next prime is 4520573. The reversal of 4520565 is 5650254.

It is not a de Polignac number, because 4520565 - 2¹ = 4520563 is a prime.

4520565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520563) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 35532 + ... + 35658.

It is an arithmetic number, because the mean of its divisors is an integer number (189696).

Almost surely, 2^4520565 is an apocalyptic number.

4520565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4520565 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

4520565 is a wasteful number, since it uses less digits than its factorization.

4520565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 4520565 is about 2126.1620352174. The cubic root of 4520565 is about 165.3474770931.

The spelling of 4520565 in words is "four million, five hundred twenty thousand, five hundred sixty-five".