549097 has 2 divisors, whose sum is σ = 549098. Its totient is φ = 549096.

The previous prime is 549091. The next prime is 549121. The reversal of 549097 is 790945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 16 = 741^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 549097 - 2³ = 549089 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (549091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274548 + 274549.

It is an arithmetic number, because the mean of its divisors is an integer number (274549).

2⁵⁴⁹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

549097 is a deficient number, since it is larger than the sum of its proper divisors (1).

549097 is an equidigital number, since it uses as much as digits as its factorization.

549097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 549097 is about 741.0107961427. The cubic root of 549097 is about 81.8872632797.

The spelling of 549097 in words is "five hundred forty-nine thousand, ninety-seven".