41021 has 8 divisors (see below), whose sum is σ = 46080.
Its totient is φ = 36288.
The previous prime is 41017. The next prime is 41023. The reversal of 41021 is 12014.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 41021 - 22 = 41017 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (41023) 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 in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 386.
It is an arithmetic number, because the mean of its divisors is an integer number (5760).
241021 is an apocalyptic number.
It is an amenable number.
41021 is a deficient number, since it is larger than the sum of its proper divisors (5059).
41021 is a wasteful number, since it uses less digits than its factorization.
41021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 41021 is about 202.5364164786.
The cubic root of 41021 is about 34.4880585991.
Adding to 41021 its reverse (12014), we get a palindrome (53035).
The spelling of 41021 in words is "forty-one thousand, twenty-one", and thus it is an iban number.