2017009 has 2 divisors, whose sum is σ = 2017010. Its totient is φ = 2017008.

The previous prime is 2017003. The next prime is 2017019. The reversal of 2017009 is 9007102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 717409 = 1140^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2017009 - 2⁵ = 2016977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2017003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008504 + 1008505.

It is an arithmetic number, because the mean of its divisors is an integer number (1008505).

2^2017009 is an apocalyptic number.

It is an amenable number.

2017009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017009 is an equidigital number, since it uses as much as digits as its factorization.

2017009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 2017009 is about 1420.2144204309. The cubic root of 2017009 is about 126.3482638575.

The spelling of 2017009 in words is "two million, seventeen thousand, nine".