549085 has 8 divisors (see below), whose sum is σ = 663480. Its totient is φ = 436224.

The previous prime is 549071. The next prime is 549089. The reversal of 549085 is 580945.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 549081 = 2^2 + 741^2 .

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 549085 - 2⁷ = 548957 is a prime.

It is a plaindrome in base 7 and base 11.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549089) 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, 681 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (82935).

2⁵⁴⁹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

549085 is a deficient number, since it is larger than the sum of its proper divisors (114395).

549085 is a wasteful number, since it uses less digits than its factorization.

549085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 549085 is about 741.0026990504. The cubic root of 549085 is about 81.8866667523.

The spelling of 549085 in words is "five hundred forty-nine thousand, eighty-five".