304243369 has 2 divisors, whose sum is σ = 304243370. Its totient is φ = 304243368.

The previous prime is 304243351. The next prime is 304243469. The reversal of 304243369 is 963342403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298425625 + 5817744 = 17275^2 + 2412^2 .

It is an emirp because it is prime and its reverse (963342403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304243369 - 2⁵ = 304243337 is a prime.

It is a super-2 number, since 2×304243369² = 185128055160940322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (304243309) 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, 152121684 + 152121685.

It is an arithmetic number, because the mean of its divisors is an integer number (152121685).

Almost surely, 2^304243369 is an apocalyptic number.

It is an amenable number.

304243369 is a deficient number, since it is larger than the sum of its proper divisors (1).

304243369 is an equidigital number, since it uses as much as digits as its factorization.

304243369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 304243369 is about 17442.5734626517. The cubic root of 304243369 is about 672.5744634544.

The spelling of 304243369 in words is "three hundred four million, two hundred forty-three thousand, three hundred sixty-nine".