13731045025 has 12 divisors (see below), whose sum is σ = 17486672572. Its totient is φ = 10687947840.

The previous prime is 13731045007. The next prime is 13731045037. The reversal of 13731045025 is 52054013731.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 441336064 + 13289708961 = 21008^2 + 115281^2 .

It is not a de Polignac number, because 13731045025 - 2⁹ = 13731044513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7421262 + ... + 7423111.

Almost surely, 2^13731045025 is an apocalyptic number.

It is an amenable number.

13731045025 is a deficient number, since it is larger than the sum of its proper divisors (3755627547).

13731045025 is a wasteful number, since it uses less digits than its factorization.

13731045025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14844420 (or 14844415 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 13731045025 its reverse (52054013731), we get a palindrome (65785058756).

The spelling of 13731045025 in words is "thirteen billion, seven hundred thirty-one million, forty-five thousand, twenty-five".