344325217 has 2 divisors, whose sum is σ = 344325218. Its totient is φ = 344325216.

The previous prime is 344325211. The next prime is 344325271. The reversal of 344325217 is 712523443.

It is a happy number.

Together with next prime (344325271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344325136 + 81 = 18556^2 + 9^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344325217 is a prime.

It is not a weakly prime, because it can be changed into another prime (344325211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172162608 + 172162609.

It is an arithmetic number, because the mean of its divisors is an integer number (172162609).

Almost surely, 2^344325217 is an apocalyptic number.

It is an amenable number.

344325217 is a deficient number, since it is larger than the sum of its proper divisors (1).

344325217 is an equidigital number, since it uses as much as digits as its factorization.

344325217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 344325217 is about 18556.0021825823. The cubic root of 344325217 is about 700.9003496247.

The spelling of 344325217 in words is "three hundred forty-four million, three hundred twenty-five thousand, two hundred seventeen".