542428339 has 2 divisors, whose sum is σ = 542428340. Its totient is φ = 542428338.

The previous prime is 542428331. The next prime is 542428357. The reversal of 542428339 is 933824245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542428339 - 2³ = 542428331 is a prime.

It is equal to p_28469056 and since 542428339 and 28469056 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (542428331) 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, 271214169 + 271214170.

It is an arithmetic number, because the mean of its divisors is an integer number (271214170).

Almost surely, 2^542428339 is an apocalyptic number.

542428339 is a deficient number, since it is larger than the sum of its proper divisors (1).

542428339 is an equidigital number, since it uses as much as digits as its factorization.

542428339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 542428339 is about 23290.0910045453. The cubic root of 542428339 is about 815.5441128008.

The spelling of 542428339 in words is "five hundred forty-two million, four hundred twenty-eight thousand, three hundred thirty-nine".