34120217 has 2 divisors, whose sum is σ = 34120218. Its totient is φ = 34120216.

The previous prime is 34120213. The next prime is 34120223. The reversal of 34120217 is 71202143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26173456 + 7946761 = 5116^2 + 2819^2 .

It is an emirp because it is prime and its reverse (71202143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34120217 - 2² = 34120213 is a prime.

It is not a weakly prime, because it can be changed into another prime (34120213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17060108 + 17060109.

It is an arithmetic number, because the mean of its divisors is an integer number (17060109).

Almost surely, 2^34120217 is an apocalyptic number.

It is an amenable number.

34120217 is a deficient number, since it is larger than the sum of its proper divisors (1).

34120217 is an equidigital number, since it uses as much as digits as its factorization.

34120217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 34120217 is about 5841.2513214208. The cubic root of 34120217 is about 324.3425510090.

The spelling of 34120217 in words is "thirty-four million, one hundred twenty thousand, two hundred seventeen".