241420909 has 2 divisors, whose sum is σ = 241420910. Its totient is φ = 241420908.

The previous prime is 241420871. The next prime is 241420943. The reversal of 241420909 is 909024142.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137992009 + 103428900 = 11747^2 + 10170^2 .

It is a cyclic number.

It is not a de Polignac number, because 241420909 - 2¹⁷ = 241289837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241420409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120710454 + 120710455.

It is an arithmetic number, because the mean of its divisors is an integer number (120710455).

Almost surely, 2^241420909 is an apocalyptic number.

It is an amenable number.

241420909 is a deficient number, since it is larger than the sum of its proper divisors (1).

241420909 is an equidigital number, since it uses as much as digits as its factorization.

241420909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 241420909 is about 15537.7253483256. The cubic root of 241420909 is about 622.6705039844.

The spelling of 241420909 in words is "two hundred forty-one million, four hundred twenty thousand, nine hundred nine".