243150241 has 2 divisors, whose sum is σ = 243150242. Its totient is φ = 243150240.

The previous prime is 243150217. The next prime is 243150307. The reversal of 243150241 is 142051342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239166225 + 3984016 = 15465^2 + 1996^2 .

It is a cyclic number.

It is not a de Polignac number, because 243150241 - 2⁹ = 243149729 is a prime.

It is not a weakly prime, because it can be changed into another prime (243157241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121575120 + 121575121.

It is an arithmetic number, because the mean of its divisors is an integer number (121575121).

Almost surely, 2^243150241 is an apocalyptic number.

It is an amenable number.

243150241 is a deficient number, since it is larger than the sum of its proper divisors (1).

243150241 is an equidigital number, since it uses as much as digits as its factorization.

243150241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 243150241 is about 15593.2755058070. The cubic root of 243150241 is about 624.1537269523.

The spelling of 243150241 in words is "two hundred forty-three million, one hundred fifty thousand, two hundred forty-one".