2365563 has 4 divisors (see below), whose sum is σ = 3154088. Its totient is φ = 1577040.

The previous prime is 2365553. The next prime is 2365589. The reversal of 2365563 is 3655632.

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

It is not a de Polignac number, because 2365563 - 2⁴ = 2365547 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2365563.

It is not an unprimeable number, because it can be changed into a prime (2365523) 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, 394258 + ... + 394263.

It is an arithmetic number, because the mean of its divisors is an integer number (788522).

2^2365563 is an apocalyptic number.

2365563 is a deficient number, since it is larger than the sum of its proper divisors (788525).

2365563 is an equidigital number, since it uses as much as digits as its factorization.

2365563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788524.

The product of its digits is 16200, while the sum is 30.

The square root of 2365563 is about 1538.0386861194. The cubic root of 2365563 is about 133.2431341334.

The spelling of 2365563 in words is "two million, three hundred sixty-five thousand, five hundred sixty-three".