2308109 has 2 divisors, whose sum is σ = 2308110. Its totient is φ = 2308108.

The previous prime is 2308099. The next prime is 2308121. The reversal of 2308109 is 9018032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 334084 = 1405^2 + 578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2308109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2308169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154054 + 1154055.

It is an arithmetic number, because the mean of its divisors is an integer number (1154055).

2^2308109 is an apocalyptic number.

It is an amenable number.

2308109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2308109 is an equidigital number, since it uses as much as digits as its factorization.

2308109 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 23.

The square root of 2308109 is about 1519.2461946637. The cubic root of 2308109 is about 132.1555596402.

The spelling of 2308109 in words is "two million, three hundred eight thousand, one hundred nine".