546643 has 2 divisors, whose sum is σ = 546644. Its totient is φ = 546642.

The previous prime is 546631. The next prime is 546661. The reversal of 546643 is 346645.

546643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546643 is a prime.

It is not a weakly prime, because it can be changed into another prime (546613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273321 + 273322.

It is an arithmetic number, because the mean of its divisors is an integer number (273322).

2⁵⁴⁶⁶⁴³ is an apocalyptic number.

546643 is a deficient number, since it is larger than the sum of its proper divisors (1).

546643 is an equidigital number, since it uses as much as digits as its factorization.

546643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 28.

The square root of 546643 is about 739.3530956181. The cubic root of 546643 is about 81.7650921208.

The spelling of 546643 in words is "five hundred forty-six thousand, six hundred forty-three".