13541563 has 8 divisors (see below), whose sum is σ = 15506432. Its totient is φ = 11584296.

The previous prime is 13541497. The next prime is 13541569. The reversal of 13541563 is 36514531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13541563 - 2⁹ = 13541051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13541569) 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 in 7 ways as a sum of consecutive naturals, for example, 2656 + ... + 5842.

It is an arithmetic number, because the mean of its divisors is an integer number (1938304).

Almost surely, 2^13541563 is an apocalyptic number.

13541563 is a deficient number, since it is larger than the sum of its proper divisors (1964869).

13541563 is an equidigital number, since it uses as much as digits as its factorization.

13541563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801.

The product of its digits is 5400, while the sum is 28.

The square root of 13541563 is about 3679.8862754167. The cubic root of 13541563 is about 238.3542672643.

The spelling of 13541563 in words is "thirteen million, five hundred forty-one thousand, five hundred sixty-three".