2259563 has 4 divisors (see below), whose sum is σ = 2262888. Its totient is φ = 2256240.

The previous prime is 2259557. The next prime is 2259571. The reversal of 2259563 is 3659522.

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

It is a cyclic number.

It is not a de Polignac number, because 2259563 - 2¹⁰ = 2258539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2259503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (565722).

2^2259563 is an apocalyptic number.

2259563 is a deficient number, since it is larger than the sum of its proper divisors (3325).

2259563 is an equidigital number, since it uses as much as digits as its factorization.

2259563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its digits is 16200, while the sum is 32.

The square root of 2259563 is about 1503.1842867726. The cubic root of 2259563 is about 131.2224528733. Note that the first 3 decimals are identical.

The spelling of 2259563 in words is "two million, two hundred fifty-nine thousand, five hundred sixty-three".