11564425 has 6 divisors (see below), whose sum is σ = 14339918. Its totient is φ = 9251520.

The previous prime is 11564381. The next prime is 11564447. The reversal of 11564425 is 52446511.

11564425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 891136 + 10673289 = 944^2 + 3267^2 .

It is not a de Polignac number, because 11564425 - 2⁷ = 11564297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11564393 and 11564402.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 231264 + ... + 231313.

Almost surely, 2^11564425 is an apocalyptic number.

It is an amenable number.

11564425 is a deficient number, since it is larger than the sum of its proper divisors (2775493).

11564425 is an equidigital number, since it uses as much as digits as its factorization.

11564425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462587 (or 462582 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 11564425 is about 3400.6506730330. The cubic root of 11564425 is about 226.1385906932.

The spelling of 11564425 in words is "eleven million, five hundred sixty-four thousand, four hundred twenty-five".