13625305 has 8 divisors (see below), whose sum is σ = 16461000. Its totient is φ = 10826496.

The previous prime is 13625291. The next prime is 13625323. The reversal of 13625305 is 50352631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2442969 + 11182336 = 1563^2 + 3344^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13625305 - 2¹¹ = 13623257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13625305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8400 + ... + 9889.

It is an arithmetic number, because the mean of its divisors is an integer number (2057625).

Almost surely, 2^13625305 is an apocalyptic number.

It is an amenable number.

13625305 is a deficient number, since it is larger than the sum of its proper divisors (2835695).

13625305 is a wasteful number, since it uses less digits than its factorization.

13625305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 13625305 is about 3691.2470792403. The cubic root of 13625305 is about 238.8445912294.

Adding to 13625305 its reverse (50352631), we get a palindrome (63977936).

The spelling of 13625305 in words is "thirteen million, six hundred twenty-five thousand, three hundred five".