13042525 has 12 divisors (see below), whose sum is σ = 16225524. Its totient is φ = 10400000.

The previous prime is 13042517. The next prime is 13042529. The reversal of 13042525 is 52524031.

13042525 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 6 ways, for example, as 383161 + 12659364 = 619^2 + 3558^2 .

It is not a de Polignac number, because 13042525 - 2³ = 13042517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13042496 and 13042505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9375 + ... + 10675.

It is an arithmetic number, because the mean of its divisors is an integer number (1352127).

Almost surely, 2^13042525 is an apocalyptic number.

It is an amenable number.

13042525 is a deficient number, since it is larger than the sum of its proper divisors (3182999).

13042525 is a wasteful number, since it uses less digits than its factorization.

13042525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 13042525 is about 3611.4436171703. The cubic root of 13042525 is about 235.3895756367.

Adding to 13042525 its reverse (52524031), we get a palindrome (65566556).

The spelling of 13042525 in words is "thirteen million, forty-two thousand, five hundred twenty-five".