13525145 has 16 divisors (see below), whose sum is σ = 17003520. Its totient is φ = 10315200.

The previous prime is 13525133. The next prime is 13525147. The reversal of 13525145 is 54152531.

It is not a de Polignac number, because 13525145 - 2⁴ = 13525129 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (13525147) 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 15 ways as a sum of consecutive naturals, for example, 10391 + ... + 11619.

It is an arithmetic number, because the mean of its divisors is an integer number (1062720).

Almost surely, 2^13525145 is an apocalyptic number.

It is an amenable number.

13525145 is a deficient number, since it is larger than the sum of its proper divisors (3478375).

13525145 is a wasteful number, since it uses less digits than its factorization.

13525145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its digits is 3000, while the sum is 26.

The square root of 13525145 is about 3677.6548233895. The cubic root of 13525145 is about 238.2579001772.

Adding to 13525145 its reverse (54152531), we get a palindrome (67677676).

The spelling of 13525145 in words is "thirteen million, five hundred twenty-five thousand, one hundred forty-five".