2566285 has 4 divisors (see below), whose sum is σ = 3079548. Its totient is φ = 2053024.

The previous prime is 2566279. The next prime is 2566307. The reversal of 2566285 is 5826652.

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 1121481 + 1444804 = 1059^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2566285 - 2⁵ = 2566253 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 2566285.

It is a congruent 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, 256624 + ... + 256633.

It is an arithmetic number, because the mean of its divisors is an integer number (769887).

2^2566285 is an apocalyptic number.

It is an amenable number.

2566285 is a deficient number, since it is larger than the sum of its proper divisors (513263).

2566285 is an equidigital number, since it uses as much as digits as its factorization.

2566285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513262.

The product of its digits is 28800, while the sum is 34.

The square root of 2566285 is about 1601.9628584958. The cubic root of 2566285 is about 136.9099342313.

The spelling of 2566285 in words is "two million, five hundred sixty-six thousand, two hundred eighty-five".