34350509 has 2 divisors, whose sum is σ = 34350510. Its totient is φ = 34350508.

The previous prime is 34350487. The next prime is 34350517. The reversal of 34350509 is 90505343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33028009 + 1322500 = 5747^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 34350509 - 2¹² = 34346413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_2109386 and since 34350509 and 2109386 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34350599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17175254 + 17175255.

It is an arithmetic number, because the mean of its divisors is an integer number (17175255).

Almost surely, 2^34350509 is an apocalyptic number.

It is an amenable number.

34350509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34350509 is an equidigital number, since it uses as much as digits as its factorization.

34350509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 34350509 is about 5860.9307281353. The cubic root of 34350509 is about 325.0706244940.

The spelling of 34350509 in words is "thirty-four million, three hundred fifty thousand, five hundred nine".