8353321 has 4 divisors (see below), whose sum is σ = 8370432. Its totient is φ = 8336212.

The previous prime is 8353313. The next prime is 8353333. The reversal of 8353321 is 1233538.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1233538 = 2 ⋅616769.

It is a cyclic number.

It is not a de Polignac number, because 8353321 - 2³ = 8353313 is a prime.

It is a super-3 number, since 3×8353321³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

8353321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8353361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7801 + ... + 8806.

It is an arithmetic number, because the mean of its divisors is an integer number (2092608).

Almost surely, 2^8353321 is an apocalyptic number.

It is an amenable number.

8353321 is a deficient number, since it is larger than the sum of its proper divisors (17111).

8353321 is a wasteful number, since it uses less digits than its factorization.

8353321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17110.

The product of its digits is 2160, while the sum is 25.

The square root of 8353321 is about 2890.2112379548. The cubic root of 8353321 is about 202.9020291326.

Adding to 8353321 its reverse (1233538), we get a palindrome (9586859).

The spelling of 8353321 in words is "eight million, three hundred fifty-three thousand, three hundred twenty-one".