13545265 has 8 divisors (see below), whose sum is σ = 16278120. Its totient is φ = 10820352.

The previous prime is 13545253. The next prime is 13545281. The reversal of 13545265 is 56254531.

It can be written as a sum of positive squares in 4 ways, for example, as 6411024 + 7134241 = 2532^2 + 2671^2 .

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 13545265 - 2⁹ = 13544753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841 + ... + 5929.

It is an arithmetic number, because the mean of its divisors is an integer number (2034765).

Almost surely, 2^13545265 is an apocalyptic number.

It is an amenable number.

13545265 is a deficient number, since it is larger than the sum of its proper divisors (2732855).

13545265 is an equidigital number, since it uses as much as digits as its factorization.

13545265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its digits is 18000, while the sum is 31.

The square root of 13545265 is about 3680.3892457184. The cubic root of 13545265 is about 238.3759857592.

Adding to 13545265 its reverse (56254531), we get a palindrome (69799796).

It can be divided in two parts, 1354526 and 5, that added together give a palindrome (1354531).

The spelling of 13545265 in words is "thirteen million, five hundred forty-five thousand, two hundred sixty-five".