41243221 has 2 divisors, whose sum is σ = 41243222. Its totient is φ = 41243220.

The previous prime is 41243201. The next prime is 41243227. The reversal of 41243221 is 12234214.

41243221 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., 22667121 + 18576100 = 4761^2 + 4310^2 .

It is a cyclic number.

It is not a de Polignac number, because 41243221 - 2⁹ = 41242709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41243227) 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, 20621610 + 20621611.

It is an arithmetic number, because the mean of its divisors is an integer number (20621611).

Almost surely, 2^41243221 is an apocalyptic number.

It is an amenable number.

41243221 is a deficient number, since it is larger than the sum of its proper divisors (1).

41243221 is an equidigital number, since it uses as much as digits as its factorization.

41243221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 19.

The square root of 41243221 is about 6422.0885232142. The cubic root of 41243221 is about 345.5022328842.

Adding to 41243221 its reverse (12234214), we get a palindrome (53477435).

It can be divided in two parts, 4 and 1243221, that added together give a square (1243225 = 1115²).

The spelling of 41243221 in words is "forty-one million, two hundred forty-three thousand, two hundred twenty-one".