3243115217 has 2 divisors, whose sum is σ = 3243115218. Its totient is φ = 3243115216.

The previous prime is 3243115201. The next prime is 3243115219. The reversal of 3243115217 is 7125113423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3132528961 + 110586256 = 55969^2 + 10516^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243115217 - 2⁴ = 3243115201 is a prime.

Together with 3243115219, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3243115217.

It is not a weakly prime, because it can be changed into another prime (3243115219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621557608 + 1621557609.

It is an arithmetic number, because the mean of its divisors is an integer number (1621557609).

Almost surely, 2^3243115217 is an apocalyptic number.

It is an amenable number.

3243115217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243115217 is an equidigital number, since it uses as much as digits as its factorization.

3243115217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 3243115217 is about 56948.3557005819. The cubic root of 3243115217 is about 1480.2013387214.

The spelling of 3243115217 in words is "three billion, two hundred forty-three million, one hundred fifteen thousand, two hundred seventeen".