533340321 has 8 divisors (see below), whose sum is σ = 719688480. Its totient is φ = 351276192.

The previous prime is 533340293. The next prime is 533340343. The reversal of 533340321 is 123043335.

It is a happy number.

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

It is not a de Polignac number, because 533340321 - 2⁶ = 533340257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 533340291 and 533340300.

It is not an unprimeable number, because it can be changed into a prime (533341321) 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 7 ways as a sum of consecutive naturals, for example, 1070716 + ... + 1071213.

It is an arithmetic number, because the mean of its divisors is an integer number (89961060).

Almost surely, 2^533340321 is an apocalyptic number.

It is an amenable number.

533340321 is a deficient number, since it is larger than the sum of its proper divisors (186348159).

533340321 is a wasteful number, since it uses less digits than its factorization.

533340321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142015.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 533340321 is about 23094.1620545107. The cubic root of 533340321 is about 810.9638077610.

Adding to 533340321 its reverse (123043335), we get a palindrome (656383656).

It can be divided in two parts, 5333 and 40321, that added together give a palindrome (45654).

The spelling of 533340321 in words is "five hundred thirty-three million, three hundred forty thousand, three hundred twenty-one".