34380217 has 2 divisors, whose sum is σ = 34380218. Its totient is φ = 34380216.

The previous prime is 34380211. The next prime is 34380251. The reversal of 34380217 is 71208343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30735936 + 3644281 = 5544^2 + 1909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34380217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34380211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17190108 + 17190109.

It is an arithmetic number, because the mean of its divisors is an integer number (17190109).

Almost surely, 2^34380217 is an apocalyptic number.

It is an amenable number.

34380217 is a deficient number, since it is larger than the sum of its proper divisors (1).

34380217 is an equidigital number, since it uses as much as digits as its factorization.

34380217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 34380217 is about 5863.4645901549. The cubic root of 34380217 is about 325.1643098155.

The spelling of 34380217 in words is "thirty-four million, three hundred eighty thousand, two hundred seventeen".