13535545 has 4 divisors (see below), whose sum is σ = 16242660. Its totient is φ = 10828432.

The previous prime is 13535537. The next prime is 13535549. The reversal of 13535545 is 54553531.

13535545 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 54553531 = 4259 ⋅12809.

It can be written as a sum of positive squares in 2 ways, for example, as 5851561 + 7683984 = 2419^2 + 2772^2 .

It is a cyclic number.

It is not a de Polignac number, because 13535545 - 2³ = 13535537 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13535549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353550 + ... + 1353559.

It is an arithmetic number, because the mean of its divisors is an integer number (4060665).

Almost surely, 2^13535545 is an apocalyptic number.

It is an amenable number.

13535545 is a deficient number, since it is larger than the sum of its proper divisors (2707115).

13535545 is an equidigital number, since it uses as much as digits as its factorization.

13535545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707114.

The product of its digits is 22500, while the sum is 31.

The square root of 13535545 is about 3679.0684962365. The cubic root of 13535545 is about 238.3189530611.

The spelling of 13535545 in words is "thirteen million, five hundred thirty-five thousand, five hundred forty-five".