9071009 has 2 divisors, whose sum is σ = 9071010. Its totient is φ = 9071008.

The previous prime is 9070981. The next prime is 9071071. The reversal of 9071009 is 9001709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5536609 + 3534400 = 2353^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 9071009 - 2⁸ = 9070753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9071099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4535504 + 4535505.

It is an arithmetic number, because the mean of its divisors is an integer number (4535505).

Almost surely, 2^9071009 is an apocalyptic number.

It is an amenable number.

9071009 is a deficient number, since it is larger than the sum of its proper divisors (1).

9071009 is an equidigital number, since it uses as much as digits as its factorization.

9071009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 9071009 is about 3011.8115810920. The cubic root of 9071009 is about 208.5540041874.

The spelling of 9071009 in words is "nine million, seventy-one thousand, nine".