241740409 has 2 divisors, whose sum is σ = 241740410. Its totient is φ = 241740408.

The previous prime is 241740403. The next prime is 241740437. The reversal of 241740409 is 904047142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217267600 + 24472809 = 14740^2 + 4947^2 .

It is a cyclic number.

It is not a de Polignac number, because 241740409 - 2¹⁹ = 241216121 is a prime.

It is not a weakly prime, because it can be changed into another prime (241740403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120870204 + 120870205.

It is an arithmetic number, because the mean of its divisors is an integer number (120870205).

Almost surely, 2^241740409 is an apocalyptic number.

It is an amenable number.

241740409 is a deficient number, since it is larger than the sum of its proper divisors (1).

241740409 is an equidigital number, since it uses as much as digits as its factorization.

241740409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 241740409 is about 15548.0033766397. The cubic root of 241740409 is about 622.9450666833.

The spelling of 241740409 in words is "two hundred forty-one million, seven hundred forty thousand, four hundred nine".