543321061 has 8 divisors (see below), whose sum is σ = 577248120. Its totient is φ = 510406848.

The previous prime is 543321047. The next prime is 543321067. The reversal of 543321061 is 160123345.

It can be written as a sum of positive squares in 4 ways, for example, as 333245025 + 210076036 = 18255^2 + 14494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543321061 - 2⁷ = 543320933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543321067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252106 + ... + 254251.

It is an arithmetic number, because the mean of its divisors is an integer number (72156015).

Almost surely, 2^543321061 is an apocalyptic number.

It is an amenable number.

543321061 is a deficient number, since it is larger than the sum of its proper divisors (33927059).

543321061 is a wasteful number, since it uses less digits than its factorization.

543321061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506423.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 543321061 is about 23309.2484005813. The cubic root of 543321061 is about 815.9912717933.

The spelling of 543321061 in words is "five hundred forty-three million, three hundred twenty-one thousand, sixty-one".