2522501543 has 4 divisors (see below), whose sum is σ = 2522858568. Its totient is φ = 2522144520.

The previous prime is 2522501491. The next prime is 2522501549. The reversal of 2522501543 is 3451052252.

2522501543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2522501543 - 2⁶ = 2522501479 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 (2522501549) 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, 167696 + ... + 182117.

It is an arithmetic number, because the mean of its divisors is an integer number (630714642).

Almost surely, 2^2522501543 is an apocalyptic number.

2522501543 is a deficient number, since it is larger than the sum of its proper divisors (357025).

2522501543 is an equidigital number, since it uses as much as digits as its factorization.

2522501543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357024.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2522501543 is about 50224.5113764186. The cubic root of 2522501543 is about 1361.2685581136.

Adding to 2522501543 its reverse (3451052252), we get a palindrome (5973553795).

The spelling of 2522501543 in words is "two billion, five hundred twenty-two million, five hundred one thousand, five hundred forty-three".