548681 has 8 divisors (see below), whose sum is σ = 633984. Its totient is φ = 465120.

The previous prime is 548677. The next prime is 548687. The reversal of 548681 is 186845.

548681 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 548681 - 2² = 548677 is a prime.

It is a super-2 number, since 2×548681² = 602101679522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548687) 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, 341 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (79248).

2⁵⁴⁸⁶⁸¹ is an apocalyptic number.

It is an amenable number.

548681 is a deficient number, since it is larger than the sum of its proper divisors (85303).

548681 is a wasteful number, since it uses less digits than its factorization.

548681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its digits is 7680, while the sum is 32.

The square root of 548681 is about 740.7300452932. The cubic root of 548681 is about 81.8665785872.

The spelling of 548681 in words is "five hundred forty-eight thousand, six hundred eighty-one".