486181 has 2 divisors, whose sum is σ = 486182. Its totient is φ = 486180.

The previous prime is 486179. The next prime is 486193. The reversal of 486181 is 181684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349281 + 136900 = 591^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 486181 - 2¹ = 486179 is a prime.

It is a super-2 number, since 2×486181² = 472743929522, which contains 22 as substring.

Together with 486179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243090 + 243091.

It is an arithmetic number, because the mean of its divisors is an integer number (243091).

2⁴⁸⁶¹⁸¹ is an apocalyptic number.

It is an amenable number.

486181 is a deficient number, since it is larger than the sum of its proper divisors (1).

486181 is an equidigital number, since it uses as much as digits as its factorization.

486181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 28.

The square root of 486181 is about 697.2668068968. The cubic root of 486181 is about 78.6320009892.

The spelling of 486181 in words is "four hundred eighty-six thousand, one hundred eighty-one".