41421 has 4 divisors (see below), whose sum is σ = 55232. Its totient is φ = 27612.

The previous prime is 41413. The next prime is 41443. The reversal of 41421 is 12414.

41421 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 41421 - 2³ = 41413 is a prime.

It is a D-number.

It is a Duffinian number.

41421 is a lucky number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 41397 and 41406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6901 + ... + 6906.

It is an arithmetic number, because the mean of its divisors is an integer number (13808).

2⁴¹⁴²¹ is an apocalyptic number.

It is an amenable number.

41421 is a deficient number, since it is larger than the sum of its proper divisors (13811).

41421 is a wasteful number, since it uses less digits than its factorization.

41421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13810.

The product of its digits is 32, while the sum is 12.

The square root of 41421 is about 203.5214976360. The cubic root of 41421 is about 34.5997950693.

Adding to 41421 its reverse (12414), we get a palindrome (53835).

It can be divided in two parts, 414 and 21, that added together give a triangular number (435 = T₂₉).

The spelling of 41421 in words is "forty-one thousand, four hundred twenty-one", and thus it is an iban number.