549832243 has 2 divisors, whose sum is σ = 549832244. Its totient is φ = 549832242.

The previous prime is 549832237. The next prime is 549832259. The reversal of 549832243 is 342238945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549832243 - 2⁵ = 549832211 is a prime.

It is a super-2 number, since 2×549832243² = 604630990884822098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 549832196 and 549832205.

It is not a weakly prime, because it can be changed into another prime (549839243) 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, 274916121 + 274916122.

It is an arithmetic number, because the mean of its divisors is an integer number (274916122).

Almost surely, 2^549832243 is an apocalyptic number.

549832243 is a deficient number, since it is larger than the sum of its proper divisors (1).

549832243 is an equidigital number, since it uses as much as digits as its factorization.

549832243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 549832243 is about 23448.5019350917. The cubic root of 549832243 is about 819.2379609915.

The spelling of 549832243 in words is "five hundred forty-nine million, eight hundred thirty-two thousand, two hundred forty-three".