8625865 has 4 divisors (see below), whose sum is σ = 10351044. Its totient is φ = 6900688.

The previous prime is 8625853. The next prime is 8625889. The reversal of 8625865 is 5685268.

8625865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3594816 + 5031049 = 1896^2 + 2243^2 .

It is a cyclic number.

It is not a de Polignac number, because 8625865 - 2⁵ = 8625833 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, 862582 + ... + 862591.

It is an arithmetic number, because the mean of its divisors is an integer number (2587761).

Almost surely, 2^8625865 is an apocalyptic number.

It is an amenable number.

8625865 is a deficient number, since it is larger than the sum of its proper divisors (1725179).

8625865 is a wasteful number, since it uses less digits than its factorization.

8625865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725178.

The product of its digits is 115200, while the sum is 40.

The square root of 8625865 is about 2936.9822948053. The cubic root of 8625865 is about 205.0851520135.

The spelling of 8625865 in words is "eight million, six hundred twenty-five thousand, eight hundred sixty-five".