13541443 has 2 divisors, whose sum is σ = 13541444. Its totient is φ = 13541442.

The previous prime is 13541441. The next prime is 13541449. The reversal of 13541443 is 34414531.

It is a weak prime.

It is an emirp because it is prime and its reverse (34414531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13541443 - 2¹ = 13541441 is a prime.

Together with 13541441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13541441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770721 + 6770722.

It is an arithmetic number, because the mean of its divisors is an integer number (6770722).

Almost surely, 2^13541443 is an apocalyptic number.

13541443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13541443 is an equidigital number, since it uses as much as digits as its factorization.

13541443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 13541443 is about 3679.8699705289. The cubic root of 13541443 is about 238.3535631950.

Adding to 13541443 its reverse (34414531), we get a palindrome (47955974).

The spelling of 13541443 in words is "thirteen million, five hundred forty-one thousand, four hundred forty-three".