13472313316225 has 27 divisors (see below), whose sum is σ = 17069763700227. Its totient is φ = 10547859316080.

The previous prime is 13472313316223. The next prime is 13472313316229. The reversal of 13472313316225 is 52261331327431.

The square root of 13472313316225 is 3670465.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4850032793841 + 8622280522384 = 2202279^2 + 2936372^2 .

It is not a de Polignac number, because 13472313316225 - 2¹ = 13472313316223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13472313316223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 862551466 + ... + 862567084.

Almost surely, 2^{13472313316225} is an apocalyptic number.

13472313316225 is the 3670465-th square number.

13472313316225 is the 1835233-rd centered octagonal number.

It is an amenable number.

13472313316225 is a deficient number, since it is larger than the sum of its proper divisors (3597450384002).

13472313316225 is an frugal number, since it uses more digits than its factorization.

13472313316225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31342 (or 15671 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The spelling of 13472313316225 in words is "thirteen trillion, four hundred seventy-two billion, three hundred thirteen million, three hundred sixteen thousand, two hundred twenty-five".