13525043 has 8 divisors (see below), whose sum is σ = 15509088. Its totient is φ = 11553984.

The previous prime is 13525027. The next prime is 13525111. The reversal of 13525043 is 34052531.

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 13525043 - 2⁴ = 13525027 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13525243) 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 7 ways as a sum of consecutive naturals, for example, 896 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (1938636).

Almost surely, 2^13525043 is an apocalyptic number.

13525043 is a deficient number, since it is larger than the sum of its proper divisors (1984045).

13525043 is an equidigital number, since it uses as much as digits as its factorization.

13525043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 13525043 is about 3677.6409558302. The cubic root of 13525043 is about 238.2573012344.

Adding to 13525043 its reverse (34052531), we get a palindrome (47577574).

The spelling of 13525043 in words is "thirteen million, five hundred twenty-five thousand, forty-three".