13534225 has 6 divisors (see below), whose sum is σ = 16782470. Its totient is φ = 10827360.

The previous prime is 13534211. The next prime is 13534231. The reversal of 13534225 is 52243531.

It can be written as a sum of positive squares in 3 ways, for example, as 219024 + 13315201 = 468^2 + 3649^2 .

It is not a de Polignac number, because 13534225 - 2⁹ = 13533713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 541369 = 13534225 / (1 + 3 + 5 + 3 + 4 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 13534225.

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, 270660 + ... + 270709.

Almost surely, 2^13534225 is an apocalyptic number.

It is an amenable number.

13534225 is a deficient number, since it is larger than the sum of its proper divisors (3248245).

13534225 is an equidigital number, since it uses as much as digits as its factorization.

13534225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541379 (or 541374 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 13534225 is about 3678.8890986275. The cubic root of 13534225 is about 238.3112057744.

Adding to 13534225 its reverse (52243531), we get a palindrome (65777756).

The spelling of 13534225 in words is "thirteen million, five hundred thirty-four thousand, two hundred twenty-five".