2265563203 has 4 divisors (see below), whose sum is σ = 2267282160. Its totient is φ = 2263844248.

The previous prime is 2265563189. The next prime is 2265563213. The reversal of 2265563203 is 3023655622.

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 2265563203 - 2²⁵ = 2232008771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265563213) 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, 857500 + ... + 860137.

It is an arithmetic number, because the mean of its divisors is an integer number (566820540).

Almost surely, 2^2265563203 is an apocalyptic number.

2265563203 is a deficient number, since it is larger than the sum of its proper divisors (1718957).

2265563203 is a wasteful number, since it uses less digits than its factorization.

2265563203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718956.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 2265563203 is about 47597.9327597323. The cubic root of 2265563203 is about 1313.3850266457.

It can be divided in two parts, 22655 and 63203, that added together give a palindrome (85858).

The spelling of 2265563203 in words is "two billion, two hundred sixty-five million, five hundred sixty-three thousand, two hundred three".