549379 has 2 divisors, whose sum is σ = 549380. Its totient is φ = 549378.

The previous prime is 549331. The next prime is 549391. The reversal of 549379 is 973945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549379 - 2¹⁵ = 516611 is a prime.

It is not a weakly prime, because it can be changed into another prime (549319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274689 + 274690.

It is an arithmetic number, because the mean of its divisors is an integer number (274690).

2⁵⁴⁹³⁷⁹ is an apocalyptic number.

549379 is a deficient number, since it is larger than the sum of its proper divisors (1).

549379 is an equidigital number, since it uses as much as digits as its factorization.

549379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 549379 is about 741.2010523468. The cubic root of 549379 is about 81.9012791739.

It can be divided in two parts, 54937 and 9, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 549379 in words is "five hundred forty-nine thousand, three hundred seventy-nine".