2333621 has 2 divisors, whose sum is σ = 2333622. Its totient is φ = 2333620.

The previous prime is 2333609. The next prime is 2333647. The reversal of 2333621 is 1263332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 98596 = 1495^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 2333621 - 2¹⁰ = 2332597 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2333593 and 2333602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2333651) 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 as a sum of consecutive naturals, namely, 1166810 + 1166811.

It is an arithmetic number, because the mean of its divisors is an integer number (1166811).

2^2333621 is an apocalyptic number.

It is an amenable number.

2333621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2333621 is an equidigital number, since it uses as much as digits as its factorization.

2333621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 20.

The square root of 2333621 is about 1527.6193897696. The cubic root of 2333621 is about 132.6406907160.

Adding to 2333621 its reverse (1263332), we get a palindrome (3596953).

The spelling of 2333621 in words is "two million, three hundred thirty-three thousand, six hundred twenty-one".