548651 has 4 divisors (see below), whose sum is σ = 567600. Its totient is φ = 529704.

The previous prime is 548629. The next prime is 548657. The reversal of 548651 is 156845.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 548651 - 2¹⁰ = 547627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 18919 = 548651 / (5 + 4 + 8 + 6 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9431 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (141900).

2⁵⁴⁸⁶⁵¹ is an apocalyptic number.

548651 is a deficient number, since it is larger than the sum of its proper divisors (18949).

548651 is a wasteful number, since it uses less digits than its factorization.

548651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18948.

The product of its digits is 4800, while the sum is 29.

The square root of 548651 is about 740.7097947240. The cubic root of 548651 is about 81.8650864986.

The spelling of 548651 in words is "five hundred forty-eight thousand, six hundred fifty-one".