241099009 has 2 divisors, whose sum is σ = 241099010. Its totient is φ = 241099008.

The previous prime is 241099007. The next prime is 241099057. The reversal of 241099009 is 900990142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198810000 + 42289009 = 14100^2 + 6503^2 .

It is a cyclic number.

It is not a de Polignac number, because 241099009 - 2¹ = 241099007 is a prime.

Together with 241099007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (241099003) 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, 120549504 + 120549505.

It is an arithmetic number, because the mean of its divisors is an integer number (120549505).

Almost surely, 2^241099009 is an apocalyptic number.

It is an amenable number.

241099009 is a deficient number, since it is larger than the sum of its proper divisors (1).

241099009 is an equidigital number, since it uses as much as digits as its factorization.

241099009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 241099009 is about 15527.3632339815. The cubic root of 241099009 is about 622.3936337566.

The spelling of 241099009 in words is "two hundred forty-one million, ninety-nine thousand, nine".