11525321 has 2 divisors, whose sum is σ = 11525322. Its totient is φ = 11525320.

The previous prime is 11525317. The next prime is 11525329. The reversal of 11525321 is 12352511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11485321 + 40000 = 3389^2 + 200^2 .

It is an emirp because it is prime and its reverse (12352511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11525321 - 2² = 11525317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11525293 and 11525302.

It is not a weakly prime, because it can be changed into another prime (11525329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762660 + 5762661.

It is an arithmetic number, because the mean of its divisors is an integer number (5762661).

Almost surely, 2^11525321 is an apocalyptic number.

It is an amenable number.

11525321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11525321 is an equidigital number, since it uses as much as digits as its factorization.

11525321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 20.

The square root of 11525321 is about 3394.8963165316. The cubic root of 11525321 is about 225.8834141674.

Adding to 11525321 its reverse (12352511), we get a palindrome (23877832).

The spelling of 11525321 in words is "eleven million, five hundred twenty-five thousand, three hundred twenty-one".