542916859 has 4 divisors (see below), whose sum is σ = 561638160. Its totient is φ = 524195560.

The previous prime is 542916851. The next prime is 542916877. The reversal of 542916859 is 958619245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542916859 - 2³ = 542916851 is a prime.

It is a super-3 number, since 3×542916859³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542916851) 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 in 3 ways as a sum of consecutive naturals, for example, 9360607 + ... + 9360664.

It is an arithmetic number, because the mean of its divisors is an integer number (140409540).

Almost surely, 2^542916859 is an apocalyptic number.

542916859 is a deficient number, since it is larger than the sum of its proper divisors (18721301).

542916859 is a wasteful number, since it uses less digits than its factorization.

542916859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18721300.

The product of its digits is 777600, while the sum is 49.

The square root of 542916859 is about 23300.5763662618. The cubic root of 542916859 is about 815.7888702101.

The spelling of 542916859 in words is "five hundred forty-two million, nine hundred sixteen thousand, eight hundred fifty-nine".