240424211 has 2 divisors, whose sum is σ = 240424212. Its totient is φ = 240424210.

The previous prime is 240424199. The next prime is 240424213. The reversal of 240424211 is 112424042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240424211 - 2¹⁰ = 240423187 is a prime.

Together with 240424213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240424213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120212105 + 120212106.

It is an arithmetic number, because the mean of its divisors is an integer number (120212106).

Almost surely, 2^240424211 is an apocalyptic number.

240424211 is a deficient number, since it is larger than the sum of its proper divisors (1).

240424211 is an equidigital number, since it uses as much as digits as its factorization.

240424211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 240424211 is about 15505.6186913003. The cubic root of 240424211 is about 621.8124307342.

Adding to 240424211 its reverse (112424042), we get a palindrome (352848253).

The spelling of 240424211 in words is "two hundred forty million, four hundred twenty-four thousand, two hundred eleven".