542187115 has 16 divisors (see below), whose sum is σ = 661547520. Its totient is φ = 426492000.

The previous prime is 542187109. The next prime is 542187181. The reversal of 542187115 is 511781245.

It is not a de Polignac number, because 542187115 - 2²⁹ = 5316203 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 239740 + ... + 241990.

It is an arithmetic number, because the mean of its divisors is an integer number (41346720).

Almost surely, 2^542187115 is an apocalyptic number.

542187115 is a deficient number, since it is larger than the sum of its proper divisors (119360405).

542187115 is a wasteful number, since it uses less digits than its factorization.

542187115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042.

The product of its digits is 11200, while the sum is 34.

The square root of 542187115 is about 23284.9117455918. The cubic root of 542187115 is about 815.4232009871.

The spelling of 542187115 in words is "five hundred forty-two million, one hundred eighty-seven thousand, one hundred fifteen".