12452535304225 has 9 divisors (see below), whose sum is σ = 15441165655923. Its totient is φ = 9962014128120.

The previous prime is 12452535304207. The next prime is 12452535304229. The reversal of 12452535304225 is 52240353525421.

It is a happy number.

The square root of 12452535304225 is 3528815.

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., 4482912709521 + 7969622594704 = 2117289^2 + 2823052^2 .

It is not a de Polignac number, because 12452535304225 - 2²³ = 12452526915617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12452535304229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17291194 + ... + 17996956.

Almost surely, 2^{12452535304225} is an apocalyptic number.

12452535304225 is the 3528815-th square number.

12452535304225 is the 1764408-th centered octagonal number.

It is an amenable number.

12452535304225 is a deficient number, since it is larger than the sum of its proper divisors (2988630351698).

12452535304225 is an frugal number, since it uses more digits than its factorization.

12452535304225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411536 (or 705768 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 12452535304225 its reverse (52240353525421), we get a palindrome (64692888829646).

The spelling of 12452535304225 in words is "twelve trillion, four hundred fifty-two billion, five hundred thirty-five million, three hundred four thousand, two hundred twenty-five".