117609925 has 18 divisors (see below), whose sum is σ = 152469842. Its totient is φ = 89987040.

The previous prime is 117609913. The next prime is 117609931. The reversal of 117609925 is 529906711.

It can be written as a sum of positive squares in 3 ways, for example, as 256036 + 117353889 = 506^2 + 10833^2 .

It is not a de Polignac number, because 117609925 - 2⁷ = 117609797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8779 + ... + 17671.

Almost surely, 2^117609925 is an apocalyptic number.

It is an amenable number.

117609925 is a deficient number, since it is larger than the sum of its proper divisors (34859917).

117609925 is an equidigital number, since it uses as much as digits as its factorization.

117609925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8949 (or 8921 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 117609925 is about 10844.8109711511. The cubic root of 117609925 is about 489.9457457631.

The spelling of 117609925 in words is "one hundred seventeen million, six hundred nine thousand, nine hundred twenty-five".