80441 has 4 divisors (see below), whose sum is σ = 81012. Its totient is φ = 79872.

The previous prime is 80429. The next prime is 80447. The reversal of 80441 is 14408.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 38416 + 42025 = 196^2 + 205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80447) 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, 101 + ... + 413.

It is an arithmetic number, because the mean of its divisors is an integer number (20253).

2⁸⁰⁴⁴¹ is an apocalyptic number.

It is an amenable number.

80441 is a deficient number, since it is larger than the sum of its proper divisors (571).

80441 is a wasteful number, since it uses less digits than its factorization.

80441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 80441 is about 283.6212262860. The cubic root of 80441 is about 43.1677242345.

Adding to 80441 its reverse (14408), we get a palindrome (94849).

The spelling of 80441 in words is "eighty thousand, four hundred forty-one".