304042033 has 2 divisors, whose sum is σ = 304042034. Its totient is φ = 304042032.

The previous prime is 304042027. The next prime is 304042043. The reversal of 304042033 is 330240403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270668304 + 33373729 = 16452^2 + 5777^2 .

It is a cyclic number.

It is not a de Polignac number, because 304042033 - 2⁵ = 304042001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304042033.

It is not a weakly prime, because it can be changed into another prime (304042043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152021016 + 152021017.

It is an arithmetic number, because the mean of its divisors is an integer number (152021017).

Almost surely, 2^304042033 is an apocalyptic number.

It is an amenable number.

304042033 is a deficient number, since it is larger than the sum of its proper divisors (1).

304042033 is an equidigital number, since it uses as much as digits as its factorization.

304042033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 304042033 is about 17436.8011114424. The cubic root of 304042033 is about 672.4260698247.

Adding to 304042033 its reverse (330240403), we get a palindrome (634282436).

The spelling of 304042033 in words is "three hundred four million, forty-two thousand, thirty-three".