109381625 has 16 divisors (see below), whose sum is σ = 136800768. Its totient is φ = 87318000.

The previous prime is 109381603. The next prime is 109381663. The reversal of 109381625 is 526183901.

It is not a de Polignac number, because 109381625 - 2⁶ = 109381561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109880 + ... + 110870.

It is an arithmetic number, because the mean of its divisors is an integer number (8550048).

Almost surely, 2^109381625 is an apocalyptic number.

It is an amenable number.

109381625 is a deficient number, since it is larger than the sum of its proper divisors (27419143).

109381625 is an frugal number, since it uses more digits than its factorization.

109381625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 109381625 is about 10458.5670624613. The cubic root of 109381625 is about 478.2424512460.

The spelling of 109381625 in words is "one hundred nine million, three hundred eighty-one thousand, six hundred twenty-five".