543361001 has 2 divisors, whose sum is σ = 543361002. Its totient is φ = 543361000.

The previous prime is 543360971. The next prime is 543361009. The reversal of 543361001 is 100163345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512569600 + 30791401 = 22640^2 + 5549^2 .

It is a cyclic number.

It is not a de Polignac number, because 543361001 - 2¹⁰ = 543359977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (543361009) 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, 271680500 + 271680501.

It is an arithmetic number, because the mean of its divisors is an integer number (271680501).

Almost surely, 2^543361001 is an apocalyptic number.

It is an amenable number.

543361001 is a deficient number, since it is larger than the sum of its proper divisors (1).

543361001 is an equidigital number, since it uses as much as digits as its factorization.

543361001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 543361001 is about 23310.1051263181. The cubic root of 543361001 is about 816.0112660442.

The spelling of 543361001 in words is "five hundred forty-three million, three hundred sixty-one thousand, one".