543105061 has 2 divisors, whose sum is σ = 543105062. Its totient is φ = 543105060.

The previous prime is 543105053. The next prime is 543105077. The reversal of 543105061 is 160501345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371756961 + 171348100 = 19281^2 + 13090^2 .

It is a cyclic number.

It is not a de Polignac number, because 543105061 - 2³ = 543105053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543105091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271552530 + 271552531.

It is an arithmetic number, because the mean of its divisors is an integer number (271552531).

Almost surely, 2^543105061 is an apocalyptic number.

It is an amenable number.

543105061 is a deficient number, since it is larger than the sum of its proper divisors (1).

543105061 is an equidigital number, since it uses as much as digits as its factorization.

543105061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 543105061 is about 23304.6145859570. The cubic root of 543105061 is about 815.8831236592.

The spelling of 543105061 in words is "five hundred forty-three million, one hundred five thousand, sixty-one".