542300321 has 4 divisors (see below), whose sum is σ = 544569600. Its totient is φ = 540031044.

The previous prime is 542300303. The next prime is 542300327. The reversal of 542300321 is 123003245.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-542300321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542300293 and 542300302.

It is not an unprimeable number, because it can be changed into a prime (542300327) 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, 1134281 + ... + 1134758.

It is an arithmetic number, because the mean of its divisors is an integer number (136142400).

Almost surely, 2^542300321 is an apocalyptic number.

It is an amenable number.

542300321 is a deficient number, since it is larger than the sum of its proper divisors (2269279).

542300321 is a wasteful number, since it uses less digits than its factorization.

542300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269278.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 542300321 is about 23287.3425061770. The cubic root of 542300321 is about 815.4799491542.

Adding to 542300321 its reverse (123003245), we get a palindrome (665303566).

The spelling of 542300321 in words is "five hundred forty-two million, three hundred thousand, three hundred twenty-one".