241421009 has 2 divisors, whose sum is σ = 241421010. Its totient is φ = 241421008.

The previous prime is 241421003. The next prime is 241421017. The reversal of 241421009 is 900124142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171531409 + 69889600 = 13097^2 + 8360^2 .

It is a cyclic number.

It is not a de Polignac number, because 241421009 - 2¹⁶ = 241355473 is a prime.

It is not a weakly prime, because it can be changed into another prime (241421003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120710504 + 120710505.

It is an arithmetic number, because the mean of its divisors is an integer number (120710505).

Almost surely, 2^241421009 is an apocalyptic number.

It is an amenable number.

241421009 is a deficient number, since it is larger than the sum of its proper divisors (1).

241421009 is an equidigital number, since it uses as much as digits as its factorization.

241421009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 241421009 is about 15537.7285662995. The cubic root of 241421009 is about 622.6705899574.

The spelling of 241421009 in words is "two hundred forty-one million, four hundred twenty-one thousand, nine".