13553201 has 2 divisors, whose sum is σ = 13553202. Its totient is φ = 13553200.

The previous prime is 13553173. The next prime is 13553203. The reversal of 13553201 is 10235531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13249600 + 303601 = 3640^2 + 551^2 .

It is an emirp because it is prime and its reverse (10235531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13553201 - 2²² = 9358897 is a prime.

Together with 13553203, 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 (13553203) 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, 6776600 + 6776601.

It is an arithmetic number, because the mean of its divisors is an integer number (6776601).

Almost surely, 2^13553201 is an apocalyptic number.

It is an amenable number.

13553201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13553201 is an equidigital number, since it uses as much as digits as its factorization.

13553201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 13553201 is about 3681.4672346770. The cubic root of 13553201 is about 238.4225304987.

Adding to 13553201 its reverse (10235531), we get a palindrome (23788732).

The spelling of 13553201 in words is "thirteen million, five hundred fifty-three thousand, two hundred one".