243027097 has 2 divisors, whose sum is σ = 243027098. Its totient is φ = 243027096.

The previous prime is 243027091. The next prime is 243027133. The reversal of 243027097 is 790720342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233142361 + 9884736 = 15269^2 + 3144^2 .

It is a cyclic number.

It is not a de Polignac number, because 243027097 - 2¹¹ = 243025049 is a prime.

It is not a weakly prime, because it can be changed into another prime (243027091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121513548 + 121513549.

It is an arithmetic number, because the mean of its divisors is an integer number (121513549).

Almost surely, 2^243027097 is an apocalyptic number.

It is an amenable number.

243027097 is a deficient number, since it is larger than the sum of its proper divisors (1).

243027097 is an equidigital number, since it uses as much as digits as its factorization.

243027097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 243027097 is about 15589.3263805721. The cubic root of 243027097 is about 624.0483411281.

The spelling of 243027097 in words is "two hundred forty-three million, twenty-seven thousand, ninety-seven".