2305272209 has 2 divisors, whose sum is σ = 2305272210. Its totient is φ = 2305272208.

The previous prime is 2305272173. The next prime is 2305272253. The reversal of 2305272209 is 9022725032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2056894609 + 248377600 = 45353^2 + 15760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2305272209 - 2²⁴ = 2288494993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2305275209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152636104 + 1152636105.

It is an arithmetic number, because the mean of its divisors is an integer number (1152636105).

Almost surely, 2^2305272209 is an apocalyptic number.

It is an amenable number.

2305272209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2305272209 is an equidigital number, since it uses as much as digits as its factorization.

2305272209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2305272209 is about 48013.2503482112. The cubic root of 2305272209 is about 1321.0139532975.

The spelling of 2305272209 in words is "two billion, three hundred five million, two hundred seventy-two thousand, two hundred nine".