304064473 has 2 divisors, whose sum is σ = 304064474. Its totient is φ = 304064472.

The previous prime is 304064417. The next prime is 304064489. The reversal of 304064473 is 374460403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268697664 + 35366809 = 16392^2 + 5947^2 .

It is a cyclic number.

It is not a de Polignac number, because 304064473 - 2¹³ = 304056281 is a prime.

It is not a weakly prime, because it can be changed into another prime (304064273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152032236 + 152032237.

It is an arithmetic number, because the mean of its divisors is an integer number (152032237).

Almost surely, 2^304064473 is an apocalyptic number.

It is an amenable number.

304064473 is a deficient number, since it is larger than the sum of its proper divisors (1).

304064473 is an equidigital number, since it uses as much as digits as its factorization.

304064473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 304064473 is about 17437.4445662201. Note that the first 3 decimals coincide. The cubic root of 304064473 is about 672.4426123508.

The spelling of 304064473 in words is "three hundred four million, sixty-four thousand, four hundred seventy-three".