4245985 has 4 divisors (see below), whose sum is σ = 5095188. Its totient is φ = 3396784.

The previous prime is 4245973. The next prime is 4246003. The reversal of 4245985 is 5895424.

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 904401 + 3341584 = 951^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245985 - 2⁹ = 4245473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424594 + ... + 424603.

It is an arithmetic number, because the mean of its divisors is an integer number (1273797).

Almost surely, 2^4245985 is an apocalyptic number.

It is an amenable number.

4245985 is a deficient number, since it is larger than the sum of its proper divisors (849203).

4245985 is an equidigital number, since it uses as much as digits as its factorization.

4245985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849202.

The product of its digits is 57600, while the sum is 37.

The square root of 4245985 is about 2060.5788021816. The cubic root of 4245985 is about 161.9295659875.

The spelling of 4245985 in words is "four million, two hundred forty-five thousand, nine hundred eighty-five".