2309147 has 2 divisors, whose sum is σ = 2309148. Its totient is φ = 2309146.

The previous prime is 2309129. The next prime is 2309179. The reversal of 2309147 is 7419032.

2309147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2309147 is a prime.

It is a Chen prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (2309117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154573 + 1154574.

It is an arithmetic number, because the mean of its divisors is an integer number (1154574).

2^2309147 is an apocalyptic number.

2309147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2309147 is an equidigital number, since it uses as much as digits as its factorization.

2309147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2309147 is about 1519.5877730490. The cubic root of 2309147 is about 132.1753676175.

The spelling of 2309147 in words is "two million, three hundred nine thousand, one hundred forty-seven".