4309243 has 2 divisors, whose sum is σ = 4309244. Its totient is φ = 4309242.

The previous prime is 4309199. The next prime is 4309259. The reversal of 4309243 is 3429034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4309243 - 2¹⁷ = 4178171 is a prime.

It is not a weakly prime, because it can be changed into another prime (4309273) 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, 2154621 + 2154622.

It is an arithmetic number, because the mean of its divisors is an integer number (2154622).

Almost surely, 2^4309243 is an apocalyptic number.

4309243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4309243 is an equidigital number, since it uses as much as digits as its factorization.

4309243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 4309243 is about 2075.8716241618. The cubic root of 4309243 is about 162.7297641277.

The spelling of 4309243 in words is "four million, three hundred nine thousand, two hundred forty-three".