243050369 has 2 divisors, whose sum is σ = 243050370. Its totient is φ = 243050368.

The previous prime is 243050359. The next prime is 243050371. The reversal of 243050369 is 963050342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226954225 + 16096144 = 15065^2 + 4012^2 .

It is a cyclic number.

It is not a de Polignac number, because 243050369 - 2²⁴ = 226273153 is a prime.

It is a super-2 number, since 2×243050369² = 118146963742072322, which contains 22 as substring.

Together with 243050371, 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 (243050329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121525184 + 121525185.

It is an arithmetic number, because the mean of its divisors is an integer number (121525185).

Almost surely, 2^243050369 is an apocalyptic number.

It is an amenable number.

243050369 is a deficient number, since it is larger than the sum of its proper divisors (1).

243050369 is an equidigital number, since it uses as much as digits as its factorization.

243050369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 243050369 is about 15590.0727708372. The cubic root of 243050369 is about 624.0682598801.

The spelling of 243050369 in words is "two hundred forty-three million, fifty thousand, three hundred sixty-nine".