2566957 has 8 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 2414304.

The previous prime is 2566939. The next prime is 2566981. The reversal of 2566957 is 7596652.

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 2566957 - 2⁷ = 2566829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2769 + ... + 3577.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

2^2566957 is an apocalyptic number.

It is an amenable number.

2566957 is a deficient number, since it is larger than the sum of its proper divisors (154643).

2566957 is a wasteful number, since it uses less digits than its factorization.

2566957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its digits is 113400, while the sum is 40.

The square root of 2566957 is about 1602.1725874574. The cubic root of 2566957 is about 136.9218834688.

The spelling of 2566957 in words is "two million, five hundred sixty-six thousand, nine hundred fifty-seven".