13066525 has 6 divisors (see below), whose sum is σ = 16202522. Its totient is φ = 10453200.

The previous prime is 13066499. The next prime is 13066549. The reversal of 13066525 is 52566031.

13066525 is digitally balanced in base 2, 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 549081 + 12517444 = 741^2 + 3538^2 .

It is not a de Polignac number, because 13066525 - 2¹¹ = 13064477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13066493 and 13066502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261306 + ... + 261355.

Almost surely, 2^13066525 is an apocalyptic number.

It is an amenable number.

13066525 is a deficient number, since it is larger than the sum of its proper divisors (3135997).

13066525 is an equidigital number, since it uses as much as digits as its factorization.

13066525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522671 (or 522666 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 13066525 is about 3614.7648609557. The cubic root of 13066525 is about 235.5338699909.

It can be divided in two parts, 1 and 3066525, that added together give a triangular number (3066526 = T₂₄₇₆).

The spelling of 13066525 in words is "thirteen million, sixty-six thousand, five hundred twenty-five".