481805 has 8 divisors (see below), whose sum is σ = 582552. Its totient is φ = 382528.

The previous prime is 481801. The next prime is 481807. The reversal of 481805 is 508184.

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 434281 = 218^2 + 659^2 .

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 481805 - 2² = 481801 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 (481801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587 + ... + 1143.

It is an arithmetic number, because the mean of its divisors is an integer number (72819).

2⁴⁸¹⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

481805 is a deficient number, since it is larger than the sum of its proper divisors (100747).

481805 is a wasteful number, since it uses less digits than its factorization.

481805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 481805 is about 694.1217472461. The cubic root of 481805 is about 78.3953736164.

Adding to 481805 its reverse (508184), we get a palindrome (989989).

The spelling of 481805 in words is "four hundred eighty-one thousand, eight hundred five".