14300309 has 4 divisors (see below), whose sum is σ = 14353740. Its totient is φ = 14246880.

The previous prime is 14300261. The next prime is 14300311. The reversal of 14300309 is 90300341.

14300309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90300341 = 269 ⋅335689.

It can be written as a sum of positive squares in 2 ways, for example, as 4708900 + 9591409 = 2170^2 + 3097^2 .

It is a cyclic number.

It is not a de Polignac number, because 14300309 - 2¹² = 14296213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14300329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26312 + ... + 26849.

It is an arithmetic number, because the mean of its divisors is an integer number (3588435).

Almost surely, 2^14300309 is an apocalyptic number.

It is an amenable number.

14300309 is a deficient number, since it is larger than the sum of its proper divisors (53431).

14300309 is an equidigital number, since it uses as much as digits as its factorization.

14300309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53430.

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

The square root of 14300309 is about 3781.5749364517. The cubic root of 14300309 is about 242.7253525680.

The spelling of 14300309 in words is "fourteen million, three hundred thousand, three hundred nine".