4133321 has 4 divisors (see below), whose sum is σ = 4221312. Its totient is φ = 4045332.

The previous prime is 4133293. The next prime is 4133369. The reversal of 4133321 is 1233314.

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 not a de Polignac number, because 4133321 - 2¹⁸ = 3871177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4133321.

It is not an unprimeable number, because it can be changed into a prime (4133821) 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, 43925 + ... + 44018.

It is an arithmetic number, because the mean of its divisors is an integer number (1055328).

Almost surely, 2^4133321 is an apocalyptic number.

It is an amenable number.

4133321 is a deficient number, since it is larger than the sum of its proper divisors (87991).

4133321 is an equidigital number, since it uses as much as digits as its factorization.

4133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87990.

The product of its digits is 216, while the sum is 17.

The square root of 4133321 is about 2033.0570577335. The cubic root of 4133321 is about 160.4844820224.

Adding to 4133321 its reverse (1233314), we get a palindrome (5366635).

The spelling of 4133321 in words is "four million, one hundred thirty-three thousand, three hundred twenty-one".