2522563 has 4 divisors (see below), whose sum is σ = 2603968. Its totient is φ = 2441160.

The previous prime is 2522557. The next prime is 2522593. The reversal of 2522563 is 3652252.

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 2522563 - 2¹⁷ = 2391491 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 5⁶ + 2¹⁸ + 2²¹ + 5⁶ + 6³ + 3⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40656 + ... + 40717.

It is an arithmetic number, because the mean of its divisors is an integer number (650992).

2^2522563 is an apocalyptic number.

2522563 is a deficient number, since it is larger than the sum of its proper divisors (81405).

2522563 is an equidigital number, since it uses as much as digits as its factorization.

2522563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81404.

The product of its digits is 3600, while the sum is 25.

The square root of 2522563 is about 1588.2578506024. The cubic root of 2522563 is about 136.1279613119.

The spelling of 2522563 in words is "two million, five hundred twenty-two thousand, five hundred sixty-three".