304499473 has 2 divisors, whose sum is σ = 304499474. Its totient is φ = 304499472.

The previous prime is 304499471. The next prime is 304499477. The reversal of 304499473 is 374994403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219988224 + 84511249 = 14832^2 + 9193^2 .

It is a cyclic number.

It is not a de Polignac number, because 304499473 - 2¹ = 304499471 is a prime.

Together with 304499471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (304499471) 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, 152249736 + 152249737.

It is an arithmetic number, because the mean of its divisors is an integer number (152249737).

Almost surely, 2^304499473 is an apocalyptic number.

It is an amenable number.

304499473 is a deficient number, since it is larger than the sum of its proper divisors (1).

304499473 is an equidigital number, since it uses as much as digits as its factorization.

304499473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 304499473 is about 17449.9132662601. The cubic root of 304499473 is about 672.7631289757.

The spelling of 304499473 in words is "three hundred four million, four hundred ninety-nine thousand, four hundred seventy-three".