13523245 has 8 divisors (see below), whose sum is σ = 17182584. Its totient is φ = 10182144.

The previous prime is 13523243. The next prime is 13523249. The reversal of 13523245 is 54232531.

It can be written as a sum of positive squares in 4 ways, for example, as 259081 + 13264164 = 509^2 + 3642^2 .

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 13523245 - 2¹ = 13523243 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 (13523243) 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, 79464 + ... + 79633.

It is an arithmetic number, because the mean of its divisors is an integer number (2147823).

Almost surely, 2^13523245 is an apocalyptic number.

It is an amenable number.

13523245 is a deficient number, since it is larger than the sum of its proper divisors (3659339).

13523245 is a wasteful number, since it uses less digits than its factorization.

13523245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159119.

The product of its digits is 3600, while the sum is 25.

The square root of 13523245 is about 3677.3964975238. The cubic root of 13523245 is about 238.2467429041.

Adding to 13523245 its reverse (54232531), we get a palindrome (67755776).

The spelling of 13523245 in words is "thirteen million, five hundred twenty-three thousand, two hundred forty-five".