243010193 has 2 divisors, whose sum is σ = 243010194. Its totient is φ = 243010192.

The previous prime is 243010129. The next prime is 243010199. The reversal of 243010193 is 391010342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187909264 + 55100929 = 13708^2 + 7423^2 .

It is a cyclic number.

It is not a de Polignac number, because 243010193 - 2⁶ = 243010129 is a prime.

It is a Chen prime.

It is equal to p_13317440 and since 243010193 and 13317440 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (243010199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121505096 + 121505097.

It is an arithmetic number, because the mean of its divisors is an integer number (121505097).

Almost surely, 2^243010193 is an apocalyptic number.

It is an amenable number.

243010193 is a deficient number, since it is larger than the sum of its proper divisors (1).

243010193 is an equidigital number, since it uses as much as digits as its factorization.

243010193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 243010193 is about 15588.7842053189. The cubic root of 243010193 is about 624.0338720176.

The spelling of 243010193 in words is "two hundred forty-three million, ten thousand, one hundred ninety-three".