241166909 has 2 divisors, whose sum is σ = 241166910. Its totient is φ = 241166908.

The previous prime is 241166873. The next prime is 241166911. The reversal of 241166909 is 909661142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173976100 + 67190809 = 13190^2 + 8197^2 .

It is a cyclic number.

It is not a de Polignac number, because 241166909 - 2¹² = 241162813 is a prime.

It is a super-2 number, since 2×241166909² = 116322955993228562, which contains 22 as substring.

Together with 241166911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241166209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120583454 + 120583455.

It is an arithmetic number, because the mean of its divisors is an integer number (120583455).

Almost surely, 2^241166909 is an apocalyptic number.

It is an amenable number.

241166909 is a deficient number, since it is larger than the sum of its proper divisors (1).

241166909 is an equidigital number, since it uses as much as digits as its factorization.

241166909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 241166909 is about 15529.5495427266. The cubic root of 241166909 is about 622.4520558979.

The spelling of 241166909 in words is "two hundred forty-one million, one hundred sixty-six thousand, nine hundred nine".