34303309 has 2 divisors, whose sum is σ = 34303310. Its totient is φ = 34303308.

The previous prime is 34303307. The next prime is 34303333. The reversal of 34303309 is 90330343.

It is a happy number.

34303309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33698025 + 605284 = 5805^2 + 778^2 .

It is an emirp because it is prime and its reverse (90330343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34303309 - 2¹ = 34303307 is a prime.

Together with 34303307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34303307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17151654 + 17151655.

It is an arithmetic number, because the mean of its divisors is an integer number (17151655).

Almost surely, 2^34303309 is an apocalyptic number.

It is an amenable number.

34303309 is a deficient number, since it is larger than the sum of its proper divisors (1).

34303309 is an equidigital number, since it uses as much as digits as its factorization.

34303309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 25.

The square root of 34303309 is about 5856.9026797446. The cubic root of 34303309 is about 324.9216663281.

The spelling of 34303309 in words is "thirty-four million, three hundred three thousand, three hundred nine".