2522516523 has 4 divisors (see below), whose sum is σ = 3363355368. Its totient is φ = 1681677680.

The previous prime is 2522516501. The next prime is 2522516527. The reversal of 2522516523 is 3256152252.

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 2522516523 - 2¹² = 2522512427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2522516527) 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, 420419418 + ... + 420419423.

It is an arithmetic number, because the mean of its divisors is an integer number (840838842).

Almost surely, 2^2522516523 is an apocalyptic number.

2522516523 is a deficient number, since it is larger than the sum of its proper divisors (840838845).

2522516523 is an equidigital number, since it uses as much as digits as its factorization.

2522516523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840838844.

The product of its digits is 36000, while the sum is 33.

The square root of 2522516523 is about 50224.6605065679. The cubic root of 2522516523 is about 1361.2712527618.

Adding to 2522516523 its reverse (3256152252), we get a palindrome (5778668775).

The spelling of 2522516523 in words is "two billion, five hundred twenty-two million, five hundred sixteen thousand, five hundred twenty-three".