542232321 has 4 divisors (see below), whose sum is σ = 722976432. Its totient is φ = 361488212.

The previous prime is 542232293. The next prime is 542232331. The reversal of 542232321 is 123232245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542232321 - 2¹⁷ = 542101249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542232291 and 542232300.

It is not an unprimeable number, because it can be changed into a prime (542232331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90372051 + ... + 90372056.

It is an arithmetic number, because the mean of its divisors is an integer number (180744108).

Almost surely, 2^542232321 is an apocalyptic number.

It is an amenable number.

542232321 is a deficient number, since it is larger than the sum of its proper divisors (180744111).

542232321 is a wasteful number, since it uses less digits than its factorization.

542232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180744110.

The product of its digits is 2880, while the sum is 24.

The square root of 542232321 is about 23285.8824397960. The cubic root of 542232321 is about 815.4458629032.

Adding to 542232321 its reverse (123232245), we get a palindrome (665464566).

The spelling of 542232321 in words is "five hundred forty-two million, two hundred thirty-two thousand, three hundred twenty-one".