2522516525 has 48 divisors (see below), whose sum is σ = 3426280704. Its totient is φ = 1834721280.

The previous prime is 2522516501. The next prime is 2522516527. The reversal of 2522516525 is 5256152252.

It is not a de Polignac number, because 2522516525 - 2¹⁶ = 2522450989 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 (2522516527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1771964 + ... + 1773386.

It is an arithmetic number, because the mean of its divisors is an integer number (71380848).

Almost surely, 2^2522516525 is an apocalyptic number.

2522516525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2522516525 is a deficient number, since it is larger than the sum of its proper divisors (903764179).

2522516525 is a wasteful number, since it uses less digits than its factorization.

2522516525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1585 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 2522516525 is about 50224.6605264784. The cubic root of 2522516525 is about 1361.2712531215.

Adding to 2522516525 its reverse (5256152252), we get a palindrome (7778668777).

The spelling of 2522516525 in words is "two billion, five hundred twenty-two million, five hundred sixteen thousand, five hundred twenty-five".