16304243 has 2 divisors, whose sum is σ = 16304244. Its totient is φ = 16304242.

The previous prime is 16304213. The next prime is 16304251. The reversal of 16304243 is 34240361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16304243 - 2¹⁶ = 16238707 is a prime.

It is not a weakly prime, because it can be changed into another prime (16304213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8152121 + 8152122.

It is an arithmetic number, because the mean of its divisors is an integer number (8152122).

Almost surely, 2^16304243 is an apocalyptic number.

16304243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16304243 is an equidigital number, since it uses as much as digits as its factorization.

16304243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 16304243 is about 4037.8512850277. The cubic root of 16304243 is about 253.5713677218.

The spelling of 16304243 in words is "sixteen million, three hundred four thousand, two hundred forty-three".