243107041 has 2 divisors, whose sum is σ = 243107042. Its totient is φ = 243107040.

The previous prime is 243107023. The next prime is 243107069. The reversal of 243107041 is 140701342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241491600 + 1615441 = 15540^2 + 1271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243107041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (243407041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121553520 + 121553521.

It is an arithmetic number, because the mean of its divisors is an integer number (121553521).

Almost surely, 2^243107041 is an apocalyptic number.

It is an amenable number.

243107041 is a deficient number, since it is larger than the sum of its proper divisors (1).

243107041 is an equidigital number, since it uses as much as digits as its factorization.

243107041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 243107041 is about 15591.8902317840. The cubic root of 243107041 is about 624.1167607294.

Adding to 243107041 its reverse (140701342), we get a palindrome (383808383).

The spelling of 243107041 in words is "two hundred forty-three million, one hundred seven thousand, forty-one".