117657425 has 24 divisors (see below), whose sum is σ = 156063672. Its totient is φ = 87680000.

The previous prime is 117657401. The next prime is 117657451. The reversal of 117657425 is 524756711.

It can be written as a sum of positive squares in 12 ways, for example, as 4596736 + 113060689 = 2144^2 + 10633^2 .

It is not a de Polignac number, because 117657425 - 2¹⁶ = 117591889 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 41555 + ... + 44295.

It is an arithmetic number, because the mean of its divisors is an integer number (6502653).

Almost surely, 2^117657425 is an apocalyptic number.

It is an amenable number.

117657425 is a deficient number, since it is larger than the sum of its proper divisors (38406247).

117657425 is a wasteful number, since it uses less digits than its factorization.

117657425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869 (or 2864 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 117657425 is about 10847.0007375311. Note that the first 3 decimals coincide. The cubic root of 117657425 is about 490.0116962362.

The spelling of 117657425 in words is "one hundred seventeen million, six hundred fifty-seven thousand, four hundred twenty-five".