549163 has 2 divisors, whose sum is σ = 549164. Its totient is φ = 549162.

The previous prime is 549161. The next prime is 549167. The reversal of 549163 is 361945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549163 - 2¹ = 549161 is a prime.

Together with 549161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (549161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274581 + 274582.

It is an arithmetic number, because the mean of its divisors is an integer number (274582).

2⁵⁴⁹¹⁶³ is an apocalyptic number.

549163 is a deficient number, since it is larger than the sum of its proper divisors (1).

549163 is an equidigital number, since it uses as much as digits as its factorization.

549163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 549163 is about 741.0553285687. The cubic root of 549163 is about 81.8905440254.

The spelling of 549163 in words is "five hundred forty-nine thousand, one hundred sixty-three".