304234247 has 2 divisors, whose sum is σ = 304234248. Its totient is φ = 304234246.

The previous prime is 304234223. The next prime is 304234283. The reversal of 304234247 is 742432403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 304234247 - 2⁸ = 304233991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304234297) 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, 152117123 + 152117124.

It is an arithmetic number, because the mean of its divisors is an integer number (152117124).

Almost surely, 2^304234247 is an apocalyptic number.

304234247 is a deficient number, since it is larger than the sum of its proper divisors (1).

304234247 is an equidigital number, since it uses as much as digits as its factorization.

304234247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 304234247 is about 17442.3119740475. The cubic root of 304234247 is about 672.5677415488.

The spelling of 304234247 in words is "three hundred four million, two hundred thirty-four thousand, two hundred forty-seven".