13523453245 has 4 divisors (see below), whose sum is σ = 16228143900. Its totient is φ = 10818762592.

The previous prime is 13523453239. The next prime is 13523453261. The reversal of 13523453245 is 54235432531.

13523453245 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 can be written as a sum of positive squares in 2 ways, for example, as 6078697156 + 7444756089 = 77966^2 + 86283^2 .

It is a cyclic number.

It is not a de Polignac number, because 13523453245 - 2²⁵ = 13489898813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352345320 + ... + 1352345329.

It is an arithmetic number, because the mean of its divisors is an integer number (4057035975).

Almost surely, 2^13523453245 is an apocalyptic number.

It is an amenable number.

13523453245 is a deficient number, since it is larger than the sum of its proper divisors (2704690655).

13523453245 is an equidigital number, since it uses as much as digits as its factorization.

13523453245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704690654.

The product of its digits is 216000, while the sum is 37.

Adding to 13523453245 its reverse (54235432531), we get a palindrome (67758885776).

The spelling of 13523453245 in words is "thirteen billion, five hundred twenty-three million, four hundred fifty-three thousand, two hundred forty-five".