11609201 has 2 divisors, whose sum is σ = 11609202. Its totient is φ = 11609200.

The previous prime is 11609189. The next prime is 11609203. The reversal of 11609201 is 10290611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7845601 + 3763600 = 2801^2 + 1940^2 .

It is an emirp because it is prime and its reverse (10290611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11609201 - 2⁶ = 11609137 is a prime.

Together with 11609203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11609203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5804600 + 5804601.

It is an arithmetic number, because the mean of its divisors is an integer number (5804601).

Almost surely, 2^11609201 is an apocalyptic number.

It is an amenable number.

11609201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11609201 is an equidigital number, since it uses as much as digits as its factorization.

11609201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 11609201 is about 3407.2277587505. The cubic root of 11609201 is about 226.4300748857.

Adding to 11609201 its reverse (10290611), we get a palindrome (21899812).

The spelling of 11609201 in words is "eleven million, six hundred nine thousand, two hundred one".