304240361 has 2 divisors, whose sum is σ = 304240362. Its totient is φ = 304240360.

The previous prime is 304240333. The next prime is 304240379. The reversal of 304240361 is 163042403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228010000 + 76230361 = 15100^2 + 8731^2 .

It is a cyclic number.

It is not a de Polignac number, because 304240361 - 2¹⁸ = 303978217 is a prime.

It is a super-2 number, since 2×304240361² = 185124394522820642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (304240561) 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, 152120180 + 152120181.

It is an arithmetic number, because the mean of its divisors is an integer number (152120181).

Almost surely, 2^304240361 is an apocalyptic number.

It is an amenable number.

304240361 is a deficient number, since it is larger than the sum of its proper divisors (1).

304240361 is an equidigital number, since it uses as much as digits as its factorization.

304240361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 304240361 is about 17442.4872366300. The cubic root of 304240361 is about 672.5722469058.

Adding to 304240361 its reverse (163042403), we get a palindrome (467282764).

The spelling of 304240361 in words is "three hundred four million, two hundred forty thousand, three hundred sixty-one".