11325221 has 2 divisors, whose sum is σ = 11325222. Its totient is φ = 11325220.

The previous prime is 11325187. The next prime is 11325233. The reversal of 11325221 is 12252311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11296321 + 28900 = 3361^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 11325221 - 2⁶ = 11325157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11325221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11325241) 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, 5662610 + 5662611.

It is an arithmetic number, because the mean of its divisors is an integer number (5662611).

Almost surely, 2^11325221 is an apocalyptic number.

It is an amenable number.

11325221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11325221 is an equidigital number, since it uses as much as digits as its factorization.

11325221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 17.

The square root of 11325221 is about 3365.2965693977. The cubic root of 11325221 is about 224.5685294995.

Adding to 11325221 its reverse (12252311), we get a palindrome (23577532).

The spelling of 11325221 in words is "eleven million, three hundred twenty-five thousand, two hundred twenty-one".