41641 has 2 divisors, whose sum is σ = 41642.
Its totient is φ = 41640.
The previous prime is 41627. The next prime is 41647. The reversal of 41641 is 14614.
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., 41616 + 25 = 204^2 + 5^2
It is a cyclic number.
It is not a de Polignac number, because 41641 - 25 = 41609 is a prime.
It is a nialpdrome in base 15.
It is not a weakly prime, because it can be changed into another prime (41647) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20820 + 20821.
It is an arithmetic number, because the mean of its divisors is an integer number (20821).
241641 is an apocalyptic number.
It is an amenable number.
41641 is a deficient number, since it is larger than the sum of its proper divisors (1).
41641 is an equidigital number, since it uses as much as digits as its factorization.
41641 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 96, while the sum is 16.
The square root of 41641 is about 204.0612653102.
The cubic root of 41641 is about 34.6609437463.
The spelling of 41641 in words is "forty-one thousand, six hundred forty-one".