304403117 has 2 divisors, whose sum is σ = 304403118. Its totient is φ = 304403116.

The previous prime is 304403089. The next prime is 304403153. The reversal of 304403117 is 711304403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192487876 + 111915241 = 13874^2 + 10579^2 .

It is a cyclic number.

It is not a de Polignac number, because 304403117 - 2¹⁰ = 304402093 is a prime.

It is a super-2 number, since 2×304403117² = 185322515278631378, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 304403092 and 304403101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304403417) 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, 152201558 + 152201559.

It is an arithmetic number, because the mean of its divisors is an integer number (152201559).

Almost surely, 2^304403117 is an apocalyptic number.

It is an amenable number.

304403117 is a deficient number, since it is larger than the sum of its proper divisors (1).

304403117 is an equidigital number, since it uses as much as digits as its factorization.

304403117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 304403117 is about 17447.1521171795. The cubic root of 304403117 is about 672.6921582968.

The spelling of 304403117 in words is "three hundred four million, four hundred three thousand, one hundred seventeen".