243410201 has 2 divisors, whose sum is σ = 243410202. Its totient is φ = 243410200.

The previous prime is 243410177. The next prime is 243410203. The reversal of 243410201 is 102014342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176252176 + 67158025 = 13276^2 + 8195^2 .

It is a cyclic number.

It is not a de Polignac number, because 243410201 - 2¹⁴ = 243393817 is a prime.

Together with 243410203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243410201.

It is not a weakly prime, because it can be changed into another prime (243410203) 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, 121705100 + 121705101.

It is an arithmetic number, because the mean of its divisors is an integer number (121705101).

Almost surely, 2^243410201 is an apocalyptic number.

It is an amenable number.

243410201 is a deficient number, since it is larger than the sum of its proper divisors (1).

243410201 is an equidigital number, since it uses as much as digits as its factorization.

243410201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 243410201 is about 15601.6089234412. The cubic root of 243410201 is about 624.3760822232.

Adding to 243410201 its reverse (102014342), we get a palindrome (345424543).

The spelling of 243410201 in words is "two hundred forty-three million, four hundred ten thousand, two hundred one".