14270309 has 2 divisors, whose sum is σ = 14270310. Its totient is φ = 14270308.

The previous prime is 14270299. The next prime is 14270339. The reversal of 14270309 is 90307241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9333025 + 4937284 = 3055^2 + 2222^2 .

It is an emirp because it is prime and its reverse (90307241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14270309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14270339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7135154 + 7135155.

It is an arithmetic number, because the mean of its divisors is an integer number (7135155).

Almost surely, 2^14270309 is an apocalyptic number.

It is an amenable number.

14270309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14270309 is an equidigital number, since it uses as much as digits as its factorization.

14270309 is an evil number, because the sum of its binary digits is even.

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

The square root of 14270309 is about 3777.6062526420. The cubic root of 14270309 is about 242.5554993956. Note that the first 3 decimals are identical.

The spelling of 14270309 in words is "fourteen million, two hundred seventy thousand, three hundred nine".