485109 has 20 divisors (see below), whose sum is σ = 744876. Its totient is φ = 314496.

The previous prime is 485101. The next prime is 485113. The reversal of 485109 is 901584.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 342225 = 378^2 + 585^2 .

It is not a de Polignac number, because 485109 - 2³ = 485101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

485109 is a lucky number.

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 19 ways as a sum of consecutive naturals, for example, 4237 + ... + 4349.

2⁴⁸⁵¹⁰⁹ is an apocalyptic number.

It is an amenable number.

485109 is a deficient number, since it is larger than the sum of its proper divisors (259767).

485109 is a wasteful number, since it uses less digits than its factorization.

485109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 485109 is about 696.4976669021. The cubic root of 485109 is about 78.5741655088.

The spelling of 485109 in words is "four hundred eighty-five thousand, one hundred nine".