2522135525 has 144 divisors (see below), whose sum is σ = 4222479744. Its totient is φ = 1453800960.

The previous prime is 2522135467. The next prime is 2522135531. The reversal of 2522135525 is 5255312252.

It is not a de Polignac number, because 2522135525 - 2¹⁶ = 2522069989 is a prime.

It is a super-2 number, since 2×2522135525² = 12722335212934051250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2522135491 and 2522135500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 30387134 + ... + 30387216.

It is an arithmetic number, because the mean of its divisors is an integer number (29322776).

Almost surely, 2^2522135525 is an apocalyptic number.

2522135525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2522135525 is a deficient number, since it is larger than the sum of its proper divisors (1700344219).

2522135525 is a wasteful number, since it uses less digits than its factorization.

2522135525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 164 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 2522135525 is about 50220.8674258022. The cubic root of 2522135525 is about 1361.2027143619.

Adding to 2522135525 its reverse (5255312252), we get a palindrome (7777447777).

The spelling of 2522135525 in words is "two billion, five hundred twenty-two million, one hundred thirty-five thousand, five hundred twenty-five".