34243009 has 2 divisors, whose sum is σ = 34243010. Its totient is φ = 34243008.

The previous prime is 34242983. The next prime is 34243051. The reversal of 34243009 is 90034243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19009600 + 15233409 = 4360^2 + 3903^2 .

It is a cyclic number.

It is not a de Polignac number, because 34243009 - 2¹¹ = 34240961 is a prime.

It is not a weakly prime, because it can be changed into another prime (34243109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17121504 + 17121505.

It is an arithmetic number, because the mean of its divisors is an integer number (17121505).

Almost surely, 2^34243009 is an apocalyptic number.

It is an amenable number.

34243009 is a deficient number, since it is larger than the sum of its proper divisors (1).

34243009 is an equidigital number, since it uses as much as digits as its factorization.

34243009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 34243009 is about 5851.7526434394. The cubic root of 34243009 is about 324.7311670376.

The spelling of 34243009 in words is "thirty-four million, two hundred forty-three thousand, nine".