243301 has 2 divisors, whose sum is σ = 243302. Its totient is φ = 243300.

The previous prime is 243263. The next prime is 243311. The reversal of 243301 is 103342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159201 + 84100 = 399^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 243301 - 2⁹ = 242789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121650 + 121651.

It is an arithmetic number, because the mean of its divisors is an integer number (121651).

2²⁴³³⁰¹ is an apocalyptic number.

It is an amenable number.

243301 is a deficient number, since it is larger than the sum of its proper divisors (1).

243301 is an equidigital number, since it uses as much as digits as its factorization.

243301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 243301 is about 493.2555118800. The cubic root of 243301 is about 62.4282697077.

Adding to 243301 its reverse (103342), we get a palindrome (346643).

The spelling of 243301 in words is "two hundred forty-three thousand, three hundred one", and thus it is an iban number.