13542161 has 2 divisors, whose sum is σ = 13542162. Its totient is φ = 13542160.

The previous prime is 13542143. The next prime is 13542209. The reversal of 13542161 is 16124531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9859600 + 3682561 = 3140^2 + 1919^2 .

It is an emirp because it is prime and its reverse (16124531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13542161 - 2⁶ = 13542097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13541161) 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, 6771080 + 6771081.

It is an arithmetic number, because the mean of its divisors is an integer number (6771081).

Almost surely, 2^13542161 is an apocalyptic number.

It is an amenable number.

13542161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542161 is an equidigital number, since it uses as much as digits as its factorization.

13542161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 13542161 is about 3679.9675270306. The cubic root of 13542161 is about 238.3577758143.

Adding to 13542161 its reverse (16124531), we get a palindrome (29666692).

The spelling of 13542161 in words is "thirteen million, five hundred forty-two thousand, one hundred sixty-one".