108681925 has 24 divisors (see below), whose sum is σ = 147749472. Its totient is φ = 78648000.

The previous prime is 108681917. The next prime is 108681929. The reversal of 108681925 is 529186801.

108681925 = 2073² + 2074² + ... + 2097².

It is not a de Polignac number, because 108681925 - 2³ = 108681917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108681929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61555 + ... + 63295.

It is an arithmetic number, because the mean of its divisors is an integer number (6156228).

Almost surely, 2^108681925 is an apocalyptic number.

It is an amenable number.

108681925 is a deficient number, since it is larger than the sum of its proper divisors (39067547).

108681925 is a wasteful number, since it uses less digits than its factorization.

108681925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 108681925 is about 10425.0623499335. The cubic root of 108681925 is about 477.2205175350.

The spelling of 108681925 in words is "one hundred eight million, six hundred eighty-one thousand, nine hundred twenty-five".