241365409 has 2 divisors, whose sum is σ = 241365410. Its totient is φ = 241365408.

The previous prime is 241365403. The next prime is 241365413. The reversal of 241365409 is 904563142.

It is a happy number.

241365409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238609809 + 2755600 = 15447^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 241365409 - 2¹³ = 241357217 is a prime.

It is not a weakly prime, because it can be changed into another prime (241365403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120682704 + 120682705.

It is an arithmetic number, because the mean of its divisors is an integer number (120682705).

Almost surely, 2^241365409 is an apocalyptic number.

It is an amenable number.

241365409 is a deficient number, since it is larger than the sum of its proper divisors (1).

241365409 is an equidigital number, since it uses as much as digits as its factorization.

241365409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 241365409 is about 15535.9392699637. The cubic root of 241365409 is about 622.6227853041.

The spelling of 241365409 in words is "two hundred forty-one million, three hundred sixty-five thousand, four hundred nine".