10021433 has 4 divisors (see below), whose sum is σ = 10027920. Its totient is φ = 10014948.

The previous prime is 10021423. The next prime is 10021439. The reversal of 10021433 is 33412001.

10021433 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33412001 = 7 ⋅4773143.

It is a cyclic number.

It is not a de Polignac number, because 10021433 - 2¹⁸ = 9759289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021439) 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, 566 + ... + 4512.

It is an arithmetic number, because the mean of its divisors is an integer number (2506980).

Almost surely, 2^10021433 is an apocalyptic number.

It is an amenable number.

10021433 is a deficient number, since it is larger than the sum of its proper divisors (6487).

10021433 is an equidigital number, since it uses as much as digits as its factorization.

10021433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6486.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10021433 is about 3165.6647011331. The cubic root of 10021433 is about 215.5972791641.

Adding to 10021433 its reverse (33412001), we get a palindrome (43433434).

The spelling of 10021433 in words is "ten million, twenty-one thousand, four hundred thirty-three".