41221 has 2 divisors, whose sum is σ = 41222. Its totient is φ = 41220.
The previous prime is 41213. The next prime is 41227. The reversal of 41221 is 12214.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28900 + 12321 = 170^2 + 111^2 .
It is a cyclic number.
It is not a de Polignac number, because 41221 - 23 = 41213 is a prime.
It is a plaindrome in base 13.
It is a nialpdrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 41198 and 41207.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (41227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610 + 20611.
It is an arithmetic number, because the mean of its divisors is an integer number (20611).
241221 is an apocalyptic number.
It is an amenable number.
41221 is a deficient number, since it is larger than the sum of its proper divisors (1).
41221 is an equidigital number, since it uses as much as digits as its factorization.
41221 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16, while the sum is 10.
The square root of 41221 is about 203.0295544988. The cubic root of 41221 is about 34.5440171903.
Adding to 41221 its reverse (12214), we get a palindrome (53435).
It can be divided in two parts, 41 and 221, that added together give a palindrome (262).
The spelling of 41221 in words is "forty-one thousand, two hundred twenty-one", and thus it is an iban number.
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