304225253 has 2 divisors, whose sum is σ = 304225254. Its totient is φ = 304225252.

The previous prime is 304225241. The next prime is 304225279. The reversal of 304225253 is 352522403.

It is an a-pointer prime, because the next prime (304225279) can be obtained adding 304225253 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184497889 + 119727364 = 13583^2 + 10942^2 .

It is a cyclic number.

It is not a de Polignac number, because 304225253 - 2⁶ = 304225189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304225153) 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, 152112626 + 152112627.

It is an arithmetic number, because the mean of its divisors is an integer number (152112627).

Almost surely, 2^304225253 is an apocalyptic number.

It is an amenable number.

304225253 is a deficient number, since it is larger than the sum of its proper divisors (1).

304225253 is an equidigital number, since it uses as much as digits as its factorization.

304225253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 304225253 is about 17442.0541508161. The cubic root of 304225253 is about 672.5611138336.

Adding to 304225253 its reverse (352522403), we get a palindrome (656747656).

The spelling of 304225253 in words is "three hundred four million, two hundred twenty-five thousand, two hundred fifty-three".