2559563 has 4 divisors (see below), whose sum is σ = 2582328. Its totient is φ = 2536800.

The previous prime is 2559553. The next prime is 2559581. The reversal of 2559563 is 3659552.

2559563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2559563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2559523) 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 3 ways as a sum of consecutive naturals, for example, 11213 + ... + 11438.

It is an arithmetic number, because the mean of its divisors is an integer number (645582).

2^2559563 is an apocalyptic number.

2559563 is a deficient number, since it is larger than the sum of its proper divisors (22765).

2559563 is a wasteful number, since it uses less digits than its factorization.

2559563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22764.

The product of its digits is 40500, while the sum is 35.

The square root of 2559563 is about 1599.8634316716. The cubic root of 2559563 is about 136.7902913382.

The spelling of 2559563 in words is "two million, five hundred fifty-nine thousand, five hundred sixty-three".