542565099 has 12 divisors (see below), whose sum is σ = 801931416. Its totient is φ = 353297952.

The previous prime is 542565071. The next prime is 542565109. The reversal of 542565099 is 990565245.

It is a happy number.

542565099 is a `hidden beast` number, since 542 + 56 + 50 + 9 + 9 = 666.

542565099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542565099 - 2¹¹ = 542563051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542565019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700602 + ... + 701375.

It is an arithmetic number, because the mean of its divisors is an integer number (66827618).

Almost surely, 2^542565099 is an apocalyptic number.

542565099 is a deficient number, since it is larger than the sum of its proper divisors (259366317).

542565099 is a wasteful number, since it uses less digits than its factorization.

542565099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402026 (or 1402023 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The square root of 542565099 is about 23293.0268320800. The cubic root of 542565099 is about 815.6126468557.

The spelling of 542565099 in words is "five hundred forty-two million, five hundred sixty-five thousand, ninety-nine".