2309117 has 2 divisors, whose sum is σ = 2309118. Its totient is φ = 2309116.

The previous prime is 2309113. The next prime is 2309123. The reversal of 2309117 is 7119032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1907161 + 401956 = 1381^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2309117 - 2² = 2309113 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2309092 and 2309101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2309113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154558 + 1154559.

It is an arithmetic number, because the mean of its divisors is an integer number (1154559).

2^2309117 is an apocalyptic number.

It is an amenable number.

2309117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2309117 is an equidigital number, since it uses as much as digits as its factorization.

2309117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2309117 is about 1519.5779019188. The cubic root of 2309117 is about 132.1747952159.

The spelling of 2309117 in words is "two million, three hundred nine thousand, one hundred seventeen".