2566056 has 32 divisors (see below), whose sum is σ = 6624000. Its totient is φ = 827520.

The previous prime is 2566051. The next prime is 2566063. The reversal of 2566056 is 6506652.

2566056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2566051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (207000).

2^2566056 is an apocalyptic number.

It is an amenable number.

2566056 is an abundant number, since it is smaller than the sum of its proper divisors (4057944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2566056 is a wasteful number, since it uses less digits than its factorization.

2566056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2566056 is about 1601.8913820856. The cubic root of 2566056 is about 136.9058617676.

The spelling of 2566056 in words is "two million, five hundred sixty-six thousand, fifty-six".