542604321 has 12 divisors (see below), whose sum is σ = 895727872. Its totient is φ = 310059576.

The previous prime is 542604313. The next prime is 542604347. The reversal of 542604321 is 123406245.

542604321 is a `hidden beast` number, since 54 + 2 + 604 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 542604321 - 2³ = 542604313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542604121) 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 11 ways as a sum of consecutive naturals, for example, 4306321 + ... + 4306446.

Almost surely, 2^542604321 is an apocalyptic number.

It is an amenable number.

542604321 is a deficient number, since it is larger than the sum of its proper divisors (353123551).

542604321 is a wasteful number, since it uses less digits than its factorization.

542604321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8612780 (or 8612777 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 542604321 is about 23293.8687426541. The cubic root of 542604321 is about 815.6322999126.

The spelling of 542604321 in words is "five hundred forty-two million, six hundred four thousand, three hundred twenty-one".