13244534225 has 18 divisors (see below), whose sum is σ = 17783731746. Its totient is φ = 9780576000.

The previous prime is 13244534221. The next prime is 13244534243. The reversal of 13244534225 is 52243544231.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 9386509456 + 3858024769 = 96884^2 + 62113^2 .

It is not a de Polignac number, because 13244534225 - 2² = 13244534221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13244534221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1563176 + ... + 1571625.

It is an arithmetic number, because the mean of its divisors is an integer number (987985097).

Almost surely, 2^13244534225 is an apocalyptic number.

It is an amenable number.

13244534225 is a deficient number, since it is larger than the sum of its proper divisors (4539197521).

13244534225 is a wasteful number, since it uses less digits than its factorization.

13244534225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134837 (or 3134819 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The spelling of 13244534225 in words is "thirteen billion, two hundred forty-four million, five hundred thirty-four thousand, two hundred twenty-five".