2566885 has 8 divisors (see below), whose sum is σ = 3152160. Its totient is φ = 2005584.

The previous prime is 2566867. The next prime is 2566897. The reversal of 2566885 is 5886652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2566885 - 2⁷ = 2566757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5755 + ... + 6184.

It is an arithmetic number, because the mean of its divisors is an integer number (394020).

2^2566885 is an apocalyptic number.

It is an amenable number.

2566885 is a deficient number, since it is larger than the sum of its proper divisors (585275).

2566885 is a wasteful number, since it uses less digits than its factorization.

2566885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11987.

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

The square root of 2566885 is about 1602.1501178104. The cubic root of 2566885 is about 136.9206032931.

The spelling of 2566885 in words is "two million, five hundred sixty-six thousand, eight hundred eighty-five".