542500321 has 8 divisors (see below), whose sum is σ = 591991488. Its totient is φ = 493038000.

The previous prime is 542500307. The next prime is 542500363. The reversal of 542500321 is 123005245.

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

It is a cyclic number.

It is not a de Polignac number, because 542500321 - 2¹³ = 542492129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542500292 and 542500301.

It is not an unprimeable number, because it can be changed into a prime (542500381) 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, 57091 + ... + 65911.

It is an arithmetic number, because the mean of its divisors is an integer number (73998936).

Almost surely, 2^542500321 is an apocalyptic number.

It is an amenable number.

542500321 is a deficient number, since it is larger than the sum of its proper divisors (49491167).

542500321 is a wasteful number, since it uses less digits than its factorization.

542500321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14423.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 542500321 is about 23291.6362885908. The cubic root of 542500321 is about 815.5801863215.

Adding to 542500321 its reverse (123005245), we get a palindrome (665505566).

The spelling of 542500321 in words is "five hundred forty-two million, five hundred thousand, three hundred twenty-one".