549461 has 12 divisors (see below), whose sum is σ = 638400. Its totient is φ = 471240.

The previous prime is 549449. The next prime is 549481. The reversal of 549461 is 164945.

It is not a de Polignac number, because 549461 - 2¹⁴ = 533077 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549461.

It is not an unprimeable number, because it can be changed into a prime (549421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2180 + ... + 2418.

It is an arithmetic number, because the mean of its divisors is an integer number (53200).

2⁵⁴⁹⁴⁶¹ is an apocalyptic number.

549461 is the 332-nd centered decagonal number.

It is an amenable number.

549461 is a deficient number, since it is larger than the sum of its proper divisors (88939).

549461 is a wasteful number, since it uses less digits than its factorization.

549461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 269 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 549461 is about 741.2563659086. The cubic root of 549461 is about 81.9053538174.

It can be divided in two parts, 5494 and 61, that added together give a palindrome (5555).

The spelling of 549461 in words is "five hundred forty-nine thousand, four hundred sixty-one".