2523112521 has 16 divisors (see below), whose sum is σ = 3422995200. Its totient is φ = 1652683088.

The previous prime is 2523112513. The next prime is 2523112523. The reversal of 2523112521 is 1252113252.

It is a cyclic number.

It is not a de Polignac number, because 2523112521 - 2³ = 2523112513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2523112491 and 2523112500.

It is not an unprimeable number, because it can be changed into a prime (2523112523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590290 + ... + 594548.

It is an arithmetic number, because the mean of its divisors is an integer number (213937200).

Almost surely, 2^2523112521 is an apocalyptic number.

It is an amenable number.

2523112521 is a deficient number, since it is larger than the sum of its proper divisors (899882679).

2523112521 is a wasteful number, since it uses less digits than its factorization.

2523112521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668.

The product of its digits is 1200, while the sum is 24.

The square root of 2523112521 is about 50230.5934764860. The cubic root of 2523112521 is about 1361.3784540491.

Adding to 2523112521 its reverse (1252113252), we get a palindrome (3775225773).

The spelling of 2523112521 in words is "two billion, five hundred twenty-three million, one hundred twelve thousand, five hundred twenty-one".