34272509 has 2 divisors, whose sum is σ = 34272510. Its totient is φ = 34272508.

The previous prime is 34272479. The next prime is 34272517. The reversal of 34272509 is 90527243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24970009 + 9302500 = 4997^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 34272509 - 2⁸ = 34272253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34272709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17136254 + 17136255.

It is an arithmetic number, because the mean of its divisors is an integer number (17136255).

Almost surely, 2^34272509 is an apocalyptic number.

It is an amenable number.

34272509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34272509 is an equidigital number, since it uses as much as digits as its factorization.

34272509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 34272509 is about 5854.2727131558. The cubic root of 34272509 is about 324.8243911255.

The spelling of 34272509 in words is "thirty-four million, two hundred seventy-two thousand, five hundred nine".