13525023 has 4 divisors (see below), whose sum is σ = 18033368. Its totient is φ = 9016680.

The previous prime is 13525009. The next prime is 13525027. The reversal of 13525023 is 32052531.

13525023 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.

It is not a de Polignac number, because 13525023 - 2⁴ = 13525007 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525027) 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, 2254168 + ... + 2254173.

It is an arithmetic number, because the mean of its divisors is an integer number (4508342).

Almost surely, 2^13525023 is an apocalyptic number.

13525023 is a deficient number, since it is larger than the sum of its proper divisors (4508345).

13525023 is an equidigital number, since it uses as much as digits as its factorization.

13525023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508344.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13525023 is about 3677.6382366948. The cubic root of 13525023 is about 238.2571837943.

Adding to 13525023 its reverse (32052531), we get a palindrome (45577554).

The spelling of 13525023 in words is "thirteen million, five hundred twenty-five thousand, twenty-three".