13828525 has 6 divisors (see below), whose sum is σ = 17147402. Its totient is φ = 11062800.

The previous prime is 13828513. The next prime is 13828559. The reversal of 13828525 is 52582831.

13828525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 145924 + 13682601 = 382^2 + 3699^2 .

It is not a de Polignac number, because 13828525 - 2¹⁵ = 13795757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 276546 + ... + 276595.

Almost surely, 2^13828525 is an apocalyptic number.

It is an amenable number.

13828525 is a deficient number, since it is larger than the sum of its proper divisors (3318877).

13828525 is an equidigital number, since it uses as much as digits as its factorization.

13828525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553151 (or 553146 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 13828525 is about 3718.6724781836. The cubic root of 13828525 is about 240.0261834859.

The spelling of 13828525 in words is "thirteen million, eight hundred twenty-eight thousand, five hundred twenty-five".