481605 has 16 divisors (see below), whose sum is σ = 780864. Its totient is φ = 253440.

The previous prime is 481589. The next prime is 481619. The reversal of 481605 is 506184.

It is not a de Polignac number, because 481605 - 2⁴ = 481589 is a prime.

It is a Curzon number.

481605 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290 + ... + 1620.

It is an arithmetic number, because the mean of its divisors is an integer number (48804).

2⁴⁸¹⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

481605 is a deficient number, since it is larger than the sum of its proper divisors (299259).

481605 is a wasteful number, since it uses less digits than its factorization.

481605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 481605 is about 693.9776653467. The cubic root of 481605 is about 78.3845246597.

Adding to 481605 its reverse (506184), we get a palindrome (987789).

It can be divided in two parts, 48 and 1605, that added together give a triangular number (1653 = T₅₇).

The spelling of 481605 in words is "four hundred eighty-one thousand, six hundred five".