13500541 has 4 divisors (see below), whose sum is σ = 13510300. Its totient is φ = 13490784.

The previous prime is 13500493. The next prime is 13500551. The reversal of 13500541 is 14500531.

13500541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2709316 + 10791225 = 1646^2 + 3285^2 .

It is a cyclic number.

It is not a de Polignac number, because 13500541 - 2²¹ = 11403389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500551) 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 in 3 ways as a sum of consecutive naturals, for example, 2376 + ... + 5713.

It is an arithmetic number, because the mean of its divisors is an integer number (3377575).

Almost surely, 2^13500541 is an apocalyptic number.

It is an amenable number.

13500541 is a deficient number, since it is larger than the sum of its proper divisors (9759).

13500541 is an equidigital number, since it uses as much as digits as its factorization.

13500541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9758.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 13500541 is about 3674.3082342123. The cubic root of 13500541 is about 238.1133384341.

It can be divided in two parts, 13500 and 541, that added together give a palindrome (14041).

The spelling of 13500541 in words is "thirteen million, five hundred thousand, five hundred forty-one".