2302563 has 4 divisors (see below), whose sum is σ = 3070088. Its totient is φ = 1535040.

The previous prime is 2302561. The next prime is 2302579. The reversal of 2302563 is 3652032.

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

It is not a de Polignac number, because 2302563 - 2¹ = 2302561 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2302561) 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, 383758 + ... + 383763.

It is an arithmetic number, because the mean of its divisors is an integer number (767522).

2^2302563 is an apocalyptic number.

2302563 is a deficient number, since it is larger than the sum of its proper divisors (767525).

2302563 is an equidigital number, since it uses as much as digits as its factorization.

2302563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767524.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2302563 is about 1517.4198496132. The cubic root of 2302563 is about 132.0496255099.

Adding to 2302563 its reverse (3652032), we get a palindrome (5954595).

The spelling of 2302563 in words is "two million, three hundred two thousand, five hundred sixty-three".