485181 has 24 divisors (see below), whose sum is σ = 758784. Its totient is φ = 298080.

The previous prime is 485171. The next prime is 485201. The reversal of 485181 is 181584.

485181 is a `hidden beast` number, since 485 + 181 = 666.

It is not a de Polignac number, because 485181 - 2⁷ = 485053 is a prime.

It is a super-2 number, since 2×485181² = 470801205522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10300 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (31616).

2⁴⁸⁵¹⁸¹ is an apocalyptic number.

It is an amenable number.

485181 is a deficient number, since it is larger than the sum of its proper divisors (273603).

485181 is a wasteful number, since it uses less digits than its factorization.

485181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 118 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 485181 is about 696.5493521639. The cubic root of 485181 is about 78.5780526489.

It can be divided in two parts, 485 and 181, that added together give a palindrome (666).

The spelling of 485181 in words is "four hundred eighty-five thousand, one hundred eighty-one".