544081 has 4 divisors (see below), whose sum is σ = 561664. Its totient is φ = 526500.

The previous prime is 544031. The next prime is 544097. The reversal of 544081 is 180445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 544081 - 2¹⁷ = 413009 is a prime.

It is a super-2 number, since 2×544081² = 592048269122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8745 + ... + 8806.

It is an arithmetic number, because the mean of its divisors is an integer number (140416).

2⁵⁴⁴⁰⁸¹ is an apocalyptic number.

It is an amenable number.

544081 is a deficient number, since it is larger than the sum of its proper divisors (17583).

544081 is a wasteful number, since it uses less digits than its factorization.

544081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17582.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 544081 is about 737.6184650617. The cubic root of 544081 is about 81.6371534802.

The spelling of 544081 in words is "five hundred forty-four thousand, eighty-one".