2069009 has 2 divisors, whose sum is σ = 2069010. Its totient is φ = 2069008.

The previous prime is 2068999. The next prime is 2069017. The reversal of 2069009 is 9009602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 739600 = 1153^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2069009 - 2⁸ = 2068753 is a prime.

It is not a weakly prime, because it can be changed into another prime (2069029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034504 + 1034505.

It is an arithmetic number, because the mean of its divisors is an integer number (1034505).

2^2069009 is an apocalyptic number.

It is an amenable number.

2069009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069009 is an equidigital number, since it uses as much as digits as its factorization.

2069009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2069009 is about 1438.4050194573. The cubic root of 2069009 is about 127.4248487028.

The spelling of 2069009 in words is "two million, sixty-nine thousand, nine".