108618625 has 16 divisors (see below), whose sum is σ = 136088784. Its totient is φ = 86553600.

The previous prime is 108618619. The next prime is 108618641. The reversal of 108618625 is 526816801.

It can be written as a sum of positive squares in 8 ways, for example, as 17205904 + 91412721 = 4148^2 + 9561^2 .

It is not a de Polignac number, because 108618625 - 2⁹ = 108618113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33057 + ... + 36193.

It is an arithmetic number, because the mean of its divisors is an integer number (8505549).

Almost surely, 2^108618625 is an apocalyptic number.

It is an amenable number.

108618625 is a deficient number, since it is larger than the sum of its proper divisors (27470159).

108618625 is an equidigital number, since it uses as much as digits as its factorization.

108618625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3419 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 108618625 is about 10422.0259546789. The cubic root of 108618625 is about 477.1278497941.

The spelling of 108618625 in words is "one hundred eight million, six hundred eighteen thousand, six hundred twenty-five".