549319 has 2 divisors, whose sum is σ = 549320. Its totient is φ = 549318.

The previous prime is 549313. The next prime is 549323. The reversal of 549319 is 913945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549319 - 2¹¹ = 547271 is a prime.

It is a super-2 number, since 2×549319² = 603502727522, which contains 22 as substring.

549319 is a lucky number.

It is a congruent number.

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, 274659 + 274660.

It is an arithmetic number, because the mean of its divisors is an integer number (274660).

2⁵⁴⁹³¹⁹ is an apocalyptic number.

549319 is a deficient number, since it is larger than the sum of its proper divisors (1).

549319 is an equidigital number, since it uses as much as digits as its factorization.

549319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 549319 is about 741.1605763935. The cubic root of 549319 is about 81.8982974705.

It can be divided in two parts, 549 and 319, that added together give a palindrome (868).

The spelling of 549319 in words is "five hundred forty-nine thousand, three hundred nineteen".