544681 has 8 divisors (see below), whose sum is σ = 570240. Its totient is φ = 519792.

The previous prime is 544667. The next prime is 544699. The reversal of 544681 is 186445.

544681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 544681 - 2¹⁹ = 20393 is a prime.

It is a super-2 number, since 2×544681² = 593354783522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544601) 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, 2160 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2⁵⁴⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

544681 is a deficient number, since it is larger than the sum of its proper divisors (25559).

544681 is a wasteful number, since it uses less digits than its factorization.

544681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its digits is 3840, while the sum is 28.

The square root of 544681 is about 738.0250673250. The cubic root of 544681 is about 81.6671516469.

It can be divided in two parts, 544 and 681, that added together give a triangular number (1225 = T₄₉).

The spelling of 544681 in words is "five hundred forty-four thousand, six hundred eighty-one".