10001333 has 4 divisors (see below), whose sum is σ = 10053888. Its totient is φ = 9948780.

The previous prime is 10001311. The next prime is 10001347. The reversal of 10001333 is 33310001.

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: 33310001 = 269 ⋅123829.

It is a cyclic number.

It is not a de Polignac number, because 10001333 - 2⁶ = 10001269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001363) 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 3 ways as a sum of consecutive naturals, for example, 25991 + ... + 26372.

It is an arithmetic number, because the mean of its divisors is an integer number (2513472).

Almost surely, 2^10001333 is an apocalyptic number.

It is an amenable number.

10001333 is a deficient number, since it is larger than the sum of its proper divisors (52555).

10001333 is an equidigital number, since it uses as much as digits as its factorization.

10001333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52554.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 10001333 is about 3162.4884189511. The cubic root of 10001333 is about 215.4530414493.

Adding to 10001333 its reverse (33310001), we get a palindrome (43311334).

It can be divided in two parts, 10001 and 333, that multiplied together give a palindrome (3330333).

The spelling of 10001333 in words is "ten million, one thousand, three hundred thirty-three".