549323 has 2 divisors, whose sum is σ = 549324. Its totient is φ = 549322.

The previous prime is 549319. The next prime is 549331. The reversal of 549323 is 323945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549323 - 2² = 549319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549292 and 549301.

It is not a weakly prime, because it can be changed into another prime (549313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274661 + 274662.

It is an arithmetic number, because the mean of its divisors is an integer number (274662).

2⁵⁴⁹³²³ is an apocalyptic number.

549323 is a deficient number, since it is larger than the sum of its proper divisors (1).

549323 is an equidigital number, since it uses as much as digits as its factorization.

549323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 26.

The square root of 549323 is about 741.1632748592. The cubic root of 549323 is about 81.8984962575.

The spelling of 549323 in words is "five hundred forty-nine thousand, three hundred twenty-three".