43441 has 2 divisors, whose sum is σ = 43442.
Its totient is φ = 43440.
The previous prime is 43427. The next prime is 43451. The reversal of 43441 is 14434.
43441 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., 34225 + 9216 = 185^2 + 96^2
It is a cyclic number.
It is not a de Polignac number, because 43441 - 27 = 43313 is a prime.
43441 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (43411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21720 + 21721.
It is an arithmetic number, because the mean of its divisors is an integer number (21721).
243441 is an apocalyptic number.
It is an amenable number.
43441 is a deficient number, since it is larger than the sum of its proper divisors (1).
43441 is an equidigital number, since it uses as much as digits as its factorization.
43441 is an evil number, because the sum of its binary digits is even.
The product of its digits is 192, while the sum is 16.
The square root of 43441 is about 208.4250464795.
The cubic root of 43441 is about 35.1533408128.
Adding to 43441 its reverse (14434), we get a palindrome (57875).
It can be divided in two parts, 43 and 441, that added together give a palindrome (484).
The spelling of 43441 in words is "forty-three thousand, four hundred forty-one", and thus it is an iban number.