13163525 has 24 divisors (see below), whose sum is σ = 17677440. Its totient is φ = 9685760.

The previous prime is 13163497. The next prime is 13163537. The reversal of 13163525 is 52536131.

It is not a de Polignac number, because 13163525 - 2¹² = 13159429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13163494 and 13163503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19646 + ... + 20304.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

Almost surely, 2^13163525 is an apocalyptic number.

It is an amenable number.

13163525 is a deficient number, since it is larger than the sum of its proper divisors (4513915).

13163525 is a wasteful number, since it uses less digits than its factorization.

13163525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 728 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 13163525 is about 3628.1572457654. The cubic root of 13163525 is about 236.1152661578.

Adding to 13163525 its reverse (52536131), we get a palindrome (65699656).

The spelling of 13163525 in words is "thirteen million, one hundred sixty-three thousand, five hundred twenty-five".