543061 has 2 divisors, whose sum is σ = 543062. Its totient is φ = 543060.

The previous prime is 543029. The next prime is 543097. The reversal of 543061 is 160345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 164836 = 615^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 543061 - 2⁵ = 543029 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271530 + 271531.

It is an arithmetic number, because the mean of its divisors is an integer number (271531).

2⁵⁴³⁰⁶¹ is an apocalyptic number.

It is an amenable number.

543061 is a deficient number, since it is larger than the sum of its proper divisors (1).

543061 is an equidigital number, since it uses as much as digits as its factorization.

543061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 543061 is about 736.9267263439. The cubic root of 543061 is about 81.5861059421.

The spelling of 543061 in words is "five hundred forty-three thousand, sixty-one".