2731713235225 has 12 divisors (see below), whose sum is σ = 3647887828396. Its totient is φ = 2017265158080.

The previous prime is 2731713235187. The next prime is 2731713235247. The reversal of 2731713235225 is 5225323171372.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 138982076809 + 2592731158416 = 372803^2 + 1610196^2 .

It is not a de Polignac number, because 2731713235225 - 2⁹ = 2731713234713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4202635422 + ... + 4202636071.

Almost surely, 2^{2731713235225} is an apocalyptic number.

2731713235225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2731713235225 is a deficient number, since it is larger than the sum of its proper divisors (916174593171).

2731713235225 is a wasteful number, since it uses less digits than its factorization.

2731713235225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8405271516 (or 8405271511 counting only the distinct ones).

The product of its digits is 529200, while the sum is 43.

The spelling of 2731713235225 in words is "two trillion, seven hundred thirty-one billion, seven hundred thirteen million, two hundred thirty-five thousand, two hundred twenty-five".