17047109 has 2 divisors, whose sum is σ = 17047110. Its totient is φ = 17047108.

The previous prime is 17047091. The next prime is 17047139. The reversal of 17047109 is 90174071.

Together with previous prime (17047091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12096484 + 4950625 = 3478^2 + 2225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17047109 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 (17047139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8523554 + 8523555.

It is an arithmetic number, because the mean of its divisors is an integer number (8523555).

Almost surely, 2^17047109 is an apocalyptic number.

It is an amenable number.

17047109 is a deficient number, since it is larger than the sum of its proper divisors (1).

17047109 is an equidigital number, since it uses as much as digits as its factorization.

17047109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 17047109 is about 4128.8144787578. The cubic root of 17047109 is about 257.3654508059.

The spelling of 17047109 in words is "seventeen million, forty-seven thousand, one hundred nine".