34075309 has 2 divisors, whose sum is σ = 34075310. Its totient is φ = 34075308.
The previous prime is 34075289. The next prime is 34075339. The reversal of 34075309 is 90357043.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 32741284 + 1334025 = 5722^2 + 1155^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-34075309 is a prime.
It is a super-2 number, since 2×340753092 = 2322253366890962, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (34075339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17037654 + 17037655.
It is an arithmetic number, because the mean of its divisors is an integer number (17037655).
Almost surely, 234075309 is an apocalyptic number.
It is an amenable number.
34075309 is a deficient number, since it is larger than the sum of its proper divisors (1).
34075309 is an equidigital number, since it uses as much as digits as its factorization.
34075309 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11340, while the sum is 31.
The square root of 34075309 is about 5837.4060163741. The cubic root of 34075309 is about 324.2001919084.
The spelling of 34075309 in words is "thirty-four million, seventy-five thousand, three hundred nine".
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