13524544225 has 12 divisors (see below), whose sum is σ = 17756931564. Its totient is φ = 10183185920.

The previous prime is 13524544213. The next prime is 13524544283. The reversal of 13524544225 is 52244542531.

It can be written as a sum of positive squares in 6 ways, for example, as 153784801 + 13370759424 = 12401^2 + 115632^2 .

It is not a de Polignac number, because 13524544225 - 2⁵ = 13524544193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15910804 + ... + 15911653.

It is an arithmetic number, because the mean of its divisors is an integer number (1479744297).

Almost surely, 2^13524544225 is an apocalyptic number.

It is an amenable number.

13524544225 is a deficient number, since it is larger than the sum of its proper divisors (4232387339).

13524544225 is a wasteful number, since it uses less digits than its factorization.

13524544225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31822484 (or 31822479 counting only the distinct ones).

The product of its digits is 192000, while the sum is 37.

The spelling of 13524544225 in words is "thirteen billion, five hundred twenty-four million, five hundred forty-four thousand, two hundred twenty-five".