241213009 has 2 divisors, whose sum is σ = 241213010. Its totient is φ = 241213008.

The previous prime is 241212973. The next prime is 241213031. The reversal of 241213009 is 900312142.

It is an a-pointer prime, because the next prime (241213031) can be obtained adding 241213009 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150430225 + 90782784 = 12265^2 + 9528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241213009 is a prime.

It is not a weakly prime, because it can be changed into another prime (241213099) 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, 120606504 + 120606505.

It is an arithmetic number, because the mean of its divisors is an integer number (120606505).

Almost surely, 2^241213009 is an apocalyptic number.

It is an amenable number.

241213009 is a deficient number, since it is larger than the sum of its proper divisors (1).

241213009 is an equidigital number, since it uses as much as digits as its factorization.

241213009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 241213009 is about 15531.0337389370. The cubic root of 241213009 is about 622.4917147545.

The spelling of 241213009 in words is "two hundred forty-one million, two hundred thirteen thousand, nine".