2209313 has 2 divisors, whose sum is σ = 2209314. Its totient is φ = 2209312.

The previous prime is 2209289. The next prime is 2209327. The reversal of 2209313 is 3139022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2155024 + 54289 = 1468^2 + 233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2209313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2209343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104656 + 1104657.

It is an arithmetic number, because the mean of its divisors is an integer number (1104657).

2^2209313 is an apocalyptic number.

It is an amenable number.

2209313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209313 is an equidigital number, since it uses as much as digits as its factorization.

2209313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2209313 is about 1486.3757936673. The cubic root of 2209313 is about 130.2424076682.

The spelling of 2209313 in words is "two million, two hundred nine thousand, three hundred thirteen".