546823 has 4 divisors (see below), whose sum is σ = 561640. Its totient is φ = 532008.

The previous prime is 546781. The next prime is 546841. The reversal of 546823 is 328645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328645 = 5 ⋅65729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546823 is a prime.

It is a Duffinian number.

546823 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 546791 and 546800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7353 + ... + 7426.

It is an arithmetic number, because the mean of its divisors is an integer number (140410).

2⁵⁴⁶⁸²³ is an apocalyptic number.

546823 is a deficient number, since it is larger than the sum of its proper divisors (14817).

546823 is a wasteful number, since it uses less digits than its factorization.

546823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14816.

The product of its digits is 5760, while the sum is 28.

The square root of 546823 is about 739.4748136346. The cubic root of 546823 is about 81.7740657419.

It can be divided in two parts, 546 and 823, that added together give a square (1369 = 37²).

The spelling of 546823 in words is "five hundred forty-six thousand, eight hundred twenty-three".