13442525 has 12 divisors (see below), whose sum is σ = 16716192. Its totient is φ = 10723440.

The previous prime is 13442483. The next prime is 13442537. The reversal of 13442525 is 52524431.

It is a happy number.

It is not a de Polignac number, because 13442525 - 2⁸ = 13442269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13442494 and 13442503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13184 + ... + 14166.

It is an arithmetic number, because the mean of its divisors is an integer number (1393016).

Almost surely, 2^13442525 is an apocalyptic number.

It is an amenable number.

13442525 is a deficient number, since it is larger than the sum of its proper divisors (3273667).

13442525 is an equidigital number, since it uses as much as digits as its factorization.

13442525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1535 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 13442525 is about 3666.4049148996. The cubic root of 13442525 is about 237.7717664668.

Adding to 13442525 its reverse (52524431), we get a palindrome (65966956).

The spelling of 13442525 in words is "thirteen million, four hundred forty-two thousand, five hundred twenty-five".