4242241 has 2 divisors, whose sum is σ = 4242242. Its totient is φ = 4242240.

The previous prime is 4242233. The next prime is 4242247. The reversal of 4242241 is 1422424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 1904400 = 1529^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242241 - 2³ = 4242233 is a prime.

It is a Chen prime.

4242241 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4242247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121120 + 2121121.

It is an arithmetic number, because the mean of its divisors is an integer number (2121121).

Almost surely, 2^4242241 is an apocalyptic number.

It is an amenable number.

4242241 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242241 is an equidigital number, since it uses as much as digits as its factorization.

4242241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 19.

The square root of 4242241 is about 2059.6701192181. The cubic root of 4242241 is about 161.8819568871.

Adding to 4242241 its reverse (1422424), we get a palindrome (5664665).

The spelling of 4242241 in words is "four million, two hundred forty-two thousand, two hundred forty-one".