11264521 has 2 divisors, whose sum is σ = 11264522. Its totient is φ = 11264520.

The previous prime is 11264497. The next prime is 11264579. The reversal of 11264521 is 12546211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11148921 + 115600 = 3339^2 + 340^2 .

It is an emirp because it is prime and its reverse (12546211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11264521 - 2⁹ = 11264009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11264492 and 11264501.

It is not a weakly prime, because it can be changed into another prime (11264921) 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, 5632260 + 5632261.

It is an arithmetic number, because the mean of its divisors is an integer number (5632261).

Almost surely, 2^11264521 is an apocalyptic number.

It is an amenable number.

11264521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11264521 is an equidigital number, since it uses as much as digits as its factorization.

11264521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 11264521 is about 3356.2659310609. The cubic root of 11264521 is about 224.1666025130.

The spelling of 11264521 in words is "eleven million, two hundred sixty-four thousand, five hundred twenty-one".