4245565 has 16 divisors (see below), whose sum is σ = 5343408. Its totient is φ = 3234816.

The previous prime is 4245551. The next prime is 4245599. The reversal of 4245565 is 5655424.

It can be written as a sum of positive squares in 8 ways, for example, as 10201 + 4235364 = 101^2 + 2058^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245565 - 2¹⁵ = 4212797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9589 + ... + 10021.

It is an arithmetic number, because the mean of its divisors is an integer number (333963).

Almost surely, 2^4245565 is an apocalyptic number.

It is an amenable number.

4245565 is a deficient number, since it is larger than the sum of its proper divisors (1097843).

4245565 is a wasteful number, since it uses less digits than its factorization.

4245565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its digits is 24000, while the sum is 31.

The square root of 4245565 is about 2060.4768865484. The cubic root of 4245565 is about 161.9242266171.

The spelling of 4245565 in words is "four million, two hundred forty-five thousand, five hundred sixty-five".