304513201 has 2 divisors, whose sum is σ = 304513202. Its totient is φ = 304513200.

The previous prime is 304513199. The next prime is 304513207. The reversal of 304513201 is 102315403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277722225 + 26790976 = 16665^2 + 5176^2 .

It is an emirp because it is prime and its reverse (102315403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304513201 - 2¹ = 304513199 is a prime.

Together with 304513199, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304513207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152256600 + 152256601.

It is an arithmetic number, because the mean of its divisors is an integer number (152256601).

Almost surely, 2^304513201 is an apocalyptic number.

It is an amenable number.

304513201 is a deficient number, since it is larger than the sum of its proper divisors (1).

304513201 is an equidigital number, since it uses as much as digits as its factorization.

304513201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 304513201 is about 17450.3066162174. The cubic root of 304513201 is about 672.7732390681.

Adding to 304513201 its reverse (102315403), we get a palindrome (406828604).

The spelling of 304513201 in words is "three hundred four million, five hundred thirteen thousand, two hundred one".