549000493 has 2 divisors, whose sum is σ = 549000494. Its totient is φ = 549000492.

The previous prime is 549000461. The next prime is 549000521. The reversal of 549000493 is 394000945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484792324 + 64208169 = 22018^2 + 8013^2 .

It is a cyclic number.

It is not a de Polignac number, because 549000493 - 2⁵ = 549000461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549000293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274500246 + 274500247.

It is an arithmetic number, because the mean of its divisors is an integer number (274500247).

Almost surely, 2^549000493 is an apocalyptic number.

It is an amenable number.

549000493 is a deficient number, since it is larger than the sum of its proper divisors (1).

549000493 is an equidigital number, since it uses as much as digits as its factorization.

549000493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 549000493 is about 23430.7595480812. The cubic root of 549000493 is about 818.8246561064.

The spelling of 549000493 in words is "five hundred forty-nine million, four hundred ninety-three", and thus it is an aban number.