548081 has 4 divisors (see below), whose sum is σ = 562932. Its totient is φ = 533232.
The previous prime is 548069. The next prime is 548083. The reversal of 548081 is 180845.
548081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 207025 = 584^2 + 455^2 .
It is a cyclic number.
It is not a de Polignac number, because 548081 - 218 = 285937 is a prime.
It is a super-2 number, since 2×5480812 = 600785565122, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 548081.
It is not an unprimeable number, because it can be changed into a prime (548083) 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, 7370 + ... + 7443.
It is an arithmetic number, because the mean of its divisors is an integer number (140733).
2548081 is an apocalyptic number.
It is an amenable number.
548081 is a deficient number, since it is larger than the sum of its proper divisors (14851).
548081 is a wasteful number, since it uses less digits than its factorization.
548081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14850.
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 548081 is about 740.3249286631. The cubic root of 548081 is about 81.8367264736.
Subtracting from 548081 its reverse (180845), we obtain a square (367236 = 6062).
The spelling of 548081 in words is "five hundred forty-eight thousand, eighty-one".
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