2330021 has 2 divisors, whose sum is σ = 2330022. Its totient is φ = 2330020.

The previous prime is 2329997. The next prime is 2330047. The reversal of 2330021 is 1200332.

2330021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 330625 = 1414^2 + 575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2330021 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2329984 and 2330011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2330051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165010 + 1165011.

It is an arithmetic number, because the mean of its divisors is an integer number (1165011).

2^2330021 is an apocalyptic number.

It is an amenable number.

2330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2330021 is an equidigital number, since it uses as much as digits as its factorization.

2330021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2330021 is about 1526.4406310106. The cubic root of 2330021 is about 132.5724488090.

Adding to 2330021 its reverse (1200332), we get a palindrome (3530353).

The spelling of 2330021 in words is "two million, three hundred thirty thousand, twenty-one".