241011209 has 2 divisors, whose sum is σ = 241011210. Its totient is φ = 241011208.

The previous prime is 241011203. The next prime is 241011233. The reversal of 241011209 is 902110142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123765625 + 117245584 = 11125^2 + 10828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241011209 is a prime.

It is equal to p_13214180 and since 241011209 and 13214180 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 (241011203) 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, 120505604 + 120505605.

It is an arithmetic number, because the mean of its divisors is an integer number (120505605).

Almost surely, 2^241011209 is an apocalyptic number.

It is an amenable number.

241011209 is a deficient number, since it is larger than the sum of its proper divisors (1).

241011209 is an equidigital number, since it uses as much as digits as its factorization.

241011209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 241011209 is about 15524.5357096436. The cubic root of 241011209 is about 622.3180731035.

The spelling of 241011209 in words is "two hundred forty-one million, eleven thousand, two hundred nine".