4245865 has 16 divisors (see below), whose sum is σ = 5560128. Its totient is φ = 3093696.

The previous prime is 4245851. The next prime is 4245881. The reversal of 4245865 is 5685424.

It is a cyclic number.

It is not a de Polignac number, because 4245865 - 2⁵ = 4245833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4245865.

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, 5002 + ... + 5788.

It is an arithmetic number, because the mean of its divisors is an integer number (347508).

Almost surely, 2^4245865 is an apocalyptic number.

It is an amenable number.

4245865 is a deficient number, since it is larger than the sum of its proper divisors (1314263).

4245865 is a wasteful number, since it uses less digits than its factorization.

4245865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888.

The product of its digits is 38400, while the sum is 34.

The square root of 4245865 is about 2060.5496839436. The cubic root of 4245865 is about 161.9280404890.

The spelling of 4245865 in words is "four million, two hundred forty-five thousand, eight hundred sixty-five".