2560566 has 8 divisors (see below), whose sum is σ = 5121144. Its totient is φ = 853520.

The previous prime is 2560549. The next prime is 2560583. The reversal of 2560566 is 6650652.

It is an interprime number because it is at equal distance from previous prime (2560549) and next prime (2560583).

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

2560566 is an admirable number.

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, 213375 + ... + 213386.

It is an arithmetic number, because the mean of its divisors is an integer number (640143).

2^2560566 is an apocalyptic number.

2560566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2560566 is a wasteful number, since it uses less digits than its factorization.

2560566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426766.

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

The square root of 2560566 is about 1600.1768652246. The cubic root of 2560566 is about 136.8081567244.

The spelling of 2560566 in words is "two million, five hundred sixty thousand, five hundred sixty-six".