304102993 has 2 divisors, whose sum is σ = 304102994. Its totient is φ = 304102992.

The previous prime is 304102991. The next prime is 304103053. The reversal of 304102993 is 399201403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266734224 + 37368769 = 16332^2 + 6113^2 .

It is a cyclic number.

It is not a de Polignac number, because 304102993 - 2¹ = 304102991 is a prime.

Together with 304102991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (304102991) 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, 152051496 + 152051497.

It is an arithmetic number, because the mean of its divisors is an integer number (152051497).

Almost surely, 2^304102993 is an apocalyptic number.

It is an amenable number.

304102993 is a deficient number, since it is larger than the sum of its proper divisors (1).

304102993 is an equidigital number, since it uses as much as digits as its factorization.

304102993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 304102993 is about 17438.5490508815. The cubic root of 304102993 is about 672.4710069819.

The spelling of 304102993 in words is "three hundred four million, one hundred two thousand, nine hundred ninety-three".