542321067 has 4 divisors (see below), whose sum is σ = 723094760. Its totient is φ = 361547376.

The previous prime is 542321053. The next prime is 542321077. The reversal of 542321067 is 760123245.

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

It is not a de Polignac number, because 542321067 - 2⁴ = 542321051 is a prime.

It is a super-2 number, since 2×542321067² = 588224279424036978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542321027) 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, 90386842 + ... + 90386847.

It is an arithmetic number, because the mean of its divisors is an integer number (180773690).

Almost surely, 2^542321067 is an apocalyptic number.

542321067 is a deficient number, since it is larger than the sum of its proper divisors (180773693).

542321067 is a wasteful number, since it uses less digits than its factorization.

542321067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180773692.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 542321067 is about 23287.7879370283. The cubic root of 542321067 is about 815.4903479010.

The spelling of 542321067 in words is "five hundred forty-two million, three hundred twenty-one thousand, sixty-seven".