542275042 has 8 divisors (see below), whose sum is σ = 822552300. Its totient is φ = 268090944.

The previous prime is 542275009. The next prime is 542275043. The reversal of 542275042 is 240572245.

It can be written as a sum of positive squares in 2 ways, for example, as 406062801 + 136212241 = 20151^2 + 11671^2 .

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

It is a super-2 number, since 2×542275042² = 588124442352203528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542274995 and 542275013.

It is not an unprimeable number, because it can be changed into a prime (542275043) 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, 1523067 + ... + 1523422.

Almost surely, 2^542275042 is an apocalyptic number.

542275042 is a deficient number, since it is larger than the sum of its proper divisors (280277258).

542275042 is a wasteful number, since it uses less digits than its factorization.

542275042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046580.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 542275042 is about 23286.7997371902. The cubic root of 542275042 is about 815.4672779231.

The spelling of 542275042 in words is "five hundred forty-two million, two hundred seventy-five thousand, forty-two".