542555873 has 2 divisors, whose sum is σ = 542555874. Its totient is φ = 542555872.

The previous prime is 542555863. The next prime is 542555891. The reversal of 542555873 is 378555245.

542555873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525647329 + 16908544 = 22927^2 + 4112^2 .

It is a cyclic number.

It is not a de Polignac number, because 542555873 - 2²² = 538361569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (542555813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271277936 + 271277937.

It is an arithmetic number, because the mean of its divisors is an integer number (271277937).

Almost surely, 2^542555873 is an apocalyptic number.

It is an amenable number.

542555873 is a deficient number, since it is larger than the sum of its proper divisors (1).

542555873 is an equidigital number, since it uses as much as digits as its factorization.

542555873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840000, while the sum is 44.

The square root of 542555873 is about 23292.8287891359. The cubic root of 542555873 is about 815.6080238252.

The spelling of 542555873 in words is "five hundred forty-two million, five hundred fifty-five thousand, eight hundred seventy-three".