2560863 has 16 divisors (see below), whose sum is σ = 3650400. Its totient is φ = 1591296.

The previous prime is 2560849. The next prime is 2560871. The reversal of 2560863 is 3680652.

It is not a de Polignac number, because 2560863 - 2⁴ = 2560847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2560863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7431 + ... + 7767.

It is an arithmetic number, because the mean of its divisors is an integer number (228150).

2^2560863 is an apocalyptic number.

2560863 is a deficient number, since it is larger than the sum of its proper divisors (1089537).

2560863 is a wasteful number, since it uses less digits than its factorization.

2560863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2560863 is about 1600.2696647753. The cubic root of 2560863 is about 136.8134459784.

The spelling of 2560863 in words is "two million, five hundred sixty thousand, eight hundred sixty-three".