549543341 has 2 divisors, whose sum is σ = 549543342. Its totient is φ = 549543340.

The previous prime is 549543329. The next prime is 549543361. The reversal of 549543341 is 143345945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518518441 + 31024900 = 22771^2 + 5570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549543341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549543295 and 549543304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549543361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274771670 + 274771671.

It is an arithmetic number, because the mean of its divisors is an integer number (274771671).

Almost surely, 2^549543341 is an apocalyptic number.

It is an amenable number.

549543341 is a deficient number, since it is larger than the sum of its proper divisors (1).

549543341 is an equidigital number, since it uses as much as digits as its factorization.

549543341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 549543341 is about 23442.3407747605. The cubic root of 549543341 is about 819.0944499759.

The spelling of 549543341 in words is "five hundred forty-nine million, five hundred forty-three thousand, three hundred forty-one".