1113525523 has 4 divisors (see below), whose sum is σ = 1214755128. Its totient is φ = 1012295920.

The previous prime is 1113525521. The next prime is 1113525559. The reversal of 1113525523 is 3255253111.

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 1113525523 - 2¹ = 1113525521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113525491 and 1113525500.

It is not an unprimeable number, because it can be changed into a prime (1113525521) 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, 50614786 + ... + 50614807.

It is an arithmetic number, because the mean of its divisors is an integer number (303688782).

Almost surely, 2^1113525523 is an apocalyptic number.

1113525523 is a deficient number, since it is larger than the sum of its proper divisors (101229605).

1113525523 is a wasteful number, since it uses less digits than its factorization.

1113525523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101229604.

The product of its digits is 4500, while the sum is 28.

The square root of 1113525523 is about 33369.5298588398. The cubic root of 1113525523 is about 1036.4938398191.

Adding to 1113525523 its reverse (3255253111), we get a palindrome (4368778634).

The spelling of 1113525523 in words is "one billion, one hundred thirteen million, five hundred twenty-five thousand, five hundred twenty-three".