34293509 has 2 divisors, whose sum is σ = 34293510. Its totient is φ = 34293508.

The previous prime is 34293473. The next prime is 34293517. The reversal of 34293509 is 90539243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26884225 + 7409284 = 5185^2 + 2722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34293509 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34292509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17146754 + 17146755.

It is an arithmetic number, because the mean of its divisors is an integer number (17146755).

Almost surely, 2^34293509 is an apocalyptic number.

It is an amenable number.

34293509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34293509 is an equidigital number, since it uses as much as digits as its factorization.

34293509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 34293509 is about 5856.0660003111. The cubic root of 34293509 is about 324.8907214455.

The spelling of 34293509 in words is "thirty-four million, two hundred ninety-three thousand, five hundred nine".