542075109 has 8 divisors (see below), whose sum is σ = 754191552. Its totient is φ = 345671040.

The previous prime is 542075101. The next prime is 542075113. The reversal of 542075109 is 901570245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542075109 - 2³ = 542075101 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542075109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542075101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928012 + ... + 3928149.

It is an arithmetic number, because the mean of its divisors is an integer number (94273944).

Almost surely, 2^542075109 is an apocalyptic number.

It is an amenable number.

542075109 is a deficient number, since it is larger than the sum of its proper divisors (212116443).

542075109 is a wasteful number, since it uses less digits than its factorization.

542075109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7856187.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 542075109 is about 23282.5065016634. The cubic root of 542075109 is about 815.3670465843.

The spelling of 542075109 in words is "five hundred forty-two million, seventy-five thousand, one hundred nine".