304218029 has 2 divisors, whose sum is σ = 304218030. Its totient is φ = 304218028.

The previous prime is 304218017. The next prime is 304218037. The reversal of 304218029 is 920812403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207648100 + 96569929 = 14410^2 + 9827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304218029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304217992 and 304218010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304217029) 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, 152109014 + 152109015.

It is an arithmetic number, because the mean of its divisors is an integer number (152109015).

Almost surely, 2^304218029 is an apocalyptic number.

It is an amenable number.

304218029 is a deficient number, since it is larger than the sum of its proper divisors (1).

304218029 is an equidigital number, since it uses as much as digits as its factorization.

304218029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 304218029 is about 17441.8470638863. The cubic root of 304218029 is about 672.5557903440. Note that the first 3 decimals are identical.

The spelling of 304218029 in words is "three hundred four million, two hundred eighteen thousand, twenty-nine".