2522506663 has 4 divisors (see below), whose sum is σ = 2537982328. Its totient is φ = 2507031000.

The previous prime is 2522506661. The next prime is 2522506711. The reversal of 2522506663 is 3666052252.

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 2522506663 - 2¹ = 2522506661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522506661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7737588 + ... + 7737913.

It is an arithmetic number, because the mean of its divisors is an integer number (634495582).

Almost surely, 2^2522506663 is an apocalyptic number.

2522506663 is a deficient number, since it is larger than the sum of its proper divisors (15475665).

2522506663 is a wasteful number, since it uses less digits than its factorization.

2522506663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15475664.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 2522506663 is about 50224.5623475208. The cubic root of 2522506663 is about 1361.2694791160.

The spelling of 2522506663 in words is "two billion, five hundred twenty-two million, five hundred six thousand, six hundred sixty-three".