243088243 has 2 divisors, whose sum is σ = 243088244. Its totient is φ = 243088242.

The previous prime is 243088217. The next prime is 243088259. The reversal of 243088243 is 342880342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243088243 - 2¹⁷ = 242957171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243088199 and 243088208.

It is not a weakly prime, because it can be changed into another prime (243088213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121544121 + 121544122.

It is an arithmetic number, because the mean of its divisors is an integer number (121544122).

Almost surely, 2^243088243 is an apocalyptic number.

243088243 is a deficient number, since it is larger than the sum of its proper divisors (1).

243088243 is an equidigital number, since it uses as much as digits as its factorization.

243088243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 243088243 is about 15591.2874067538. The cubic root of 243088243 is about 624.1006739208.

The spelling of 243088243 in words is "two hundred forty-three million, eighty-eight thousand, two hundred forty-three".