13245412225 has 12 divisors (see below), whose sum is σ = 16426811836. Its totient is φ = 10594716480.

The previous prime is 13245412223. The next prime is 13245412241. The reversal of 13245412225 is 52221454231.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 185722384 + 13059689841 = 13628^2 + 114279^2 .

It is not a de Polignac number, because 13245412225 - 2¹ = 13245412223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13245412223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143599 + ... + 217051.

Almost surely, 2^13245412225 is an apocalyptic number.

It is an amenable number.

13245412225 is a deficient number, since it is larger than the sum of its proper divisors (3181399611).

13245412225 is an equidigital number, since it uses as much as digits as its factorization.

13245412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80676 (or 80671 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

Adding to 13245412225 its reverse (52221454231), we get a palindrome (65466866456).

The spelling of 13245412225 in words is "thirteen billion, two hundred forty-five million, four hundred twelve thousand, two hundred twenty-five".