549005 has 8 divisors (see below), whose sum is σ = 693600. Its totient is φ = 416016.

The previous prime is 549001. The next prime is 549011. The reversal of 549005 is 500945.

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 549005 - 2² = 549001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2795 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (86700).

2⁵⁴⁹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

549005 is a deficient number, since it is larger than the sum of its proper divisors (144595).

549005 is a wasteful number, since it uses less digits than its factorization.

549005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 549005 is about 740.9487161741. The cubic root of 549005 is about 81.8826896804.

It can be divided in two parts, 5 and 49005, that multiplied together give a square (245025 = 495²).

The spelling of 549005 in words is "five hundred forty-nine thousand, five".