241827409 has 2 divisors, whose sum is σ = 241827410. Its totient is φ = 241827408.

The previous prime is 241827407. The next prime is 241827457. The reversal of 241827409 is 904728142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229068225 + 12759184 = 15135^2 + 3572^2 .

It is a cyclic number.

It is not a de Polignac number, because 241827409 - 2¹ = 241827407 is a prime.

Together with 241827407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (241827407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120913704 + 120913705.

It is an arithmetic number, because the mean of its divisors is an integer number (120913705).

Almost surely, 2^241827409 is an apocalyptic number.

It is an amenable number.

241827409 is a deficient number, since it is larger than the sum of its proper divisors (1).

241827409 is an equidigital number, since it uses as much as digits as its factorization.

241827409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 241827409 is about 15550.8009118502. The cubic root of 241827409 is about 623.0197883248.

The spelling of 241827409 in words is "two hundred forty-one million, eight hundred twenty-seven thousand, four hundred nine".