201304217 has 2 divisors, whose sum is σ = 201304218. Its totient is φ = 201304216.

The previous prime is 201304171. The next prime is 201304231. The reversal of 201304217 is 712403102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199967881 + 1336336 = 14141^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 201304217 - 2²⁶ = 134195353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201304237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100652108 + 100652109.

It is an arithmetic number, because the mean of its divisors is an integer number (100652109).

Almost surely, 2^201304217 is an apocalyptic number.

It is an amenable number.

201304217 is a deficient number, since it is larger than the sum of its proper divisors (1).

201304217 is an equidigital number, since it uses as much as digits as its factorization.

201304217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 201304217 is about 14188.1717285914. The cubic root of 201304217 is about 586.0719789897.

Adding to 201304217 its reverse (712403102), we get a palindrome (913707319).

The spelling of 201304217 in words is "two hundred one million, three hundred four thousand, two hundred seventeen".