2345009 has 2 divisors, whose sum is σ = 2345010. Its totient is φ = 2345008.

The previous prime is 2344987. The next prime is 2345017. The reversal of 2345009 is 9005432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288225 + 1056784 = 1135^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345009 - 2⁸ = 2344753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2345039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172504 + 1172505.

It is an arithmetic number, because the mean of its divisors is an integer number (1172505).

2^2345009 is an apocalyptic number.

It is an amenable number.

2345009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345009 is an equidigital number, since it uses as much as digits as its factorization.

2345009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2345009 is about 1531.3422217127. The cubic root of 2345009 is about 132.8561015505.

The spelling of 2345009 in words is "two million, three hundred forty-five thousand, nine".