304010009 has 2 divisors, whose sum is σ = 304010010. Its totient is φ = 304010008.

The previous prime is 304009969. The next prime is 304010023. The reversal of 304010009 is 900010403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263088400 + 40921609 = 16220^2 + 6397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304010009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304010029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152005004 + 152005005.

It is an arithmetic number, because the mean of its divisors is an integer number (152005005).

Almost surely, 2^304010009 is an apocalyptic number.

It is an amenable number.

304010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

304010009 is an equidigital number, since it uses as much as digits as its factorization.

304010009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 304010009 is about 17435.8827995602. The cubic root of 304010009 is about 672.4024606674.

The spelling of 304010009 in words is "three hundred four million, ten thousand, nine".