223025321 has 2 divisors, whose sum is σ = 223025322. Its totient is φ = 223025320.

The previous prime is 223025311. The next prime is 223025323. The reversal of 223025321 is 123520322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194295721 + 28729600 = 13939^2 + 5360^2 .

It is a cyclic number.

It is not a de Polignac number, because 223025321 - 2²⁶ = 155916457 is a prime.

Together with 223025323, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 223025293 and 223025302.

It is not a weakly prime, because it can be changed into another prime (223025323) 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, 111512660 + 111512661.

It is an arithmetic number, because the mean of its divisors is an integer number (111512661).

Almost surely, 2^223025321 is an apocalyptic number.

It is an amenable number.

223025321 is a deficient number, since it is larger than the sum of its proper divisors (1).

223025321 is an equidigital number, since it uses as much as digits as its factorization.

223025321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 223025321 is about 14934.0323087905. The cubic root of 223025321 is about 606.4356507135.

Adding to 223025321 its reverse (123520322), we get a palindrome (346545643).

The spelling of 223025321 in words is "two hundred twenty-three million, twenty-five thousand, three hundred twenty-one".