304242347 has 2 divisors, whose sum is σ = 304242348. Its totient is φ = 304242346.

The previous prime is 304242331. The next prime is 304242349. The reversal of 304242347 is 743242403.

It is a strong prime.

It is an emirp because it is prime and its reverse (743242403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304242347 - 2⁴ = 304242331 is a prime.

Together with 304242349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304242349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152121173 + 152121174.

It is an arithmetic number, because the mean of its divisors is an integer number (152121174).

Almost surely, 2^304242347 is an apocalyptic number.

304242347 is a deficient number, since it is larger than the sum of its proper divisors (1).

304242347 is an equidigital number, since it uses as much as digits as its factorization.

304242347 is an evil number, because the sum of its binary digits is even.

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

The square root of 304242347 is about 17442.5441664913. The cubic root of 304242347 is about 672.5737103601.

The spelling of 304242347 in words is "three hundred four million, two hundred forty-two thousand, three hundred forty-seven".