11305321 has 2 divisors, whose sum is σ = 11305322. Its totient is φ = 11305320.

The previous prime is 11305309. The next prime is 11305363. The reversal of 11305321 is 12350311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9217296 + 2088025 = 3036^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 11305321 - 2⁷ = 11305193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11305295 and 11305304.

It is not a weakly prime, because it can be changed into another prime (11303321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652660 + 5652661.

It is an arithmetic number, because the mean of its divisors is an integer number (5652661).

Almost surely, 2^11305321 is an apocalyptic number.

It is an amenable number.

11305321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11305321 is an equidigital number, since it uses as much as digits as its factorization.

11305321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 11305321 is about 3362.3386206627. The cubic root of 11305321 is about 224.4369195940.

Adding to 11305321 its reverse (12350311), we get a palindrome (23655632).

The spelling of 11305321 in words is "eleven million, three hundred five thousand, three hundred twenty-one".