2034209 has 2 divisors, whose sum is σ = 2034210. Its totient is φ = 2034208.

The previous prime is 2034191. The next prime is 2034211. The reversal of 2034209 is 9024302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 336400 = 1303^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2034209 - 2⁸ = 2033953 is a prime.

It is a Sophie Germain prime.

Together with 2034211, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 6.

It is not a weakly prime, because it can be changed into another prime (2034239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1017104 + 1017105.

It is an arithmetic number, because the mean of its divisors is an integer number (1017105).

2^2034209 is an apocalyptic number.

It is an amenable number.

2034209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2034209 is an equidigital number, since it uses as much as digits as its factorization.

2034209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2034209 is about 1426.2569894658. The cubic root of 2034209 is about 126.7063918184.

The spelling of 2034209 in words is "two million, thirty-four thousand, two hundred nine".