13616325 has 36 divisors (see below), whose sum is σ = 24752260. Its totient is φ = 7153920.

The previous prime is 13616321. The next prime is 13616329. The reversal of 13616325 is 52361631.

13616325 is a `hidden beast` number, since 13 + 616 + 32 + 5 = 666.

13616325 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13616321) and next prime (13616329).

It can be written as a sum of positive squares in 6 ways, for example, as 66564 + 13549761 = 258^2 + 3681^2 .

It is not a de Polignac number, because 13616325 - 2² = 13616321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13616321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16011 + ... + 16839.

Almost surely, 2^13616325 is an apocalyptic number.

13616325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13616325 is a deficient number, since it is larger than the sum of its proper divisors (11135935).

13616325 is a wasteful number, since it uses less digits than its factorization.

13616325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 910 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 13616325 is about 3690.0304876789. The cubic root of 13616325 is about 238.7921081035.

Adding to 13616325 its reverse (52361631), we get a palindrome (65977956).

It can be divided in two parts, 136 and 16325, that added together give a palindrome (16461).

The spelling of 13616325 in words is "thirteen million, six hundred sixteen thousand, three hundred twenty-five".