241229509 has 2 divisors, whose sum is σ = 241229510. Its totient is φ = 241229508.

The previous prime is 241229503. The next prime is 241229519. The reversal of 241229509 is 905922142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240932484 + 297025 = 15522^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 241229509 - 2³ = 241229501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241229501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120614754 + 120614755.

It is an arithmetic number, because the mean of its divisors is an integer number (120614755).

Almost surely, 2^241229509 is an apocalyptic number.

It is an amenable number.

241229509 is a deficient number, since it is larger than the sum of its proper divisors (1).

241229509 is an equidigital number, since it uses as much as digits as its factorization.

241229509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 241229509 is about 15531.5649243726. The cubic root of 241229509 is about 622.5059081282.

The spelling of 241229509 in words is "two hundred forty-one million, two hundred twenty-nine thousand, five hundred nine".