304004249 has 2 divisors, whose sum is σ = 304004250. Its totient is φ = 304004248.

The previous prime is 304004219. The next prime is 304004263. The reversal of 304004249 is 942400403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292170649 + 11833600 = 17093^2 + 3440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304004249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304004219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152002124 + 152002125.

It is an arithmetic number, because the mean of its divisors is an integer number (152002125).

Almost surely, 2^304004249 is an apocalyptic number.

It is an amenable number.

304004249 is a deficient number, since it is larger than the sum of its proper divisors (1).

304004249 is an equidigital number, since it uses as much as digits as its factorization.

304004249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 304004249 is about 17435.7176221686. The cubic root of 304004249 is about 672.3982140280.

The spelling of 304004249 in words is "three hundred four million, four thousand, two hundred forty-nine".