2255321 has 2 divisors, whose sum is σ = 2255322. Its totient is φ = 2255320.

The previous prime is 2255303. The next prime is 2255333. The reversal of 2255321 is 1235522.

2255321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 462400 = 1339^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255321 - 2⁶ = 2255257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2255293 and 2255302.

It is not a weakly prime, because it can be changed into another prime (2255381) 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, 1127660 + 1127661.

It is an arithmetic number, because the mean of its divisors is an integer number (1127661).

2^2255321 is an apocalyptic number.

It is an amenable number.

2255321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255321 is an equidigital number, since it uses as much as digits as its factorization.

2255321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 20.

The square root of 2255321 is about 1501.7726192736. The cubic root of 2255321 is about 131.1402844261.

The spelling of 2255321 in words is "two million, two hundred fifty-five thousand, three hundred twenty-one".