542161141 has 2 divisors, whose sum is σ = 542161142. Its totient is φ = 542161140.

The previous prime is 542161133. The next prime is 542161153. The reversal of 542161141 is 141161245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537080625 + 5080516 = 23175^2 + 2254^2 .

It is a cyclic number.

It is not a de Polignac number, because 542161141 - 2³ = 542161133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542141141) 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, 271080570 + 271080571.

It is an arithmetic number, because the mean of its divisors is an integer number (271080571).

Almost surely, 2^542161141 is an apocalyptic number.

It is an amenable number.

542161141 is a deficient number, since it is larger than the sum of its proper divisors (1).

542161141 is an equidigital number, since it uses as much as digits as its factorization.

542161141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 25.

The square root of 542161141 is about 23284.3539957629. The cubic root of 542161141 is about 815.4101795659.

The spelling of 542161141 in words is "five hundred forty-two million, one hundred sixty-one thousand, one hundred forty-one".