117996525 has 18 divisors (see below), whose sum is σ = 211345290. Its totient is φ = 62931360.

The previous prime is 117996503. The next prime is 117996539. The reversal of 117996525 is 525699711.

117996525 is a `hidden beast` number, since 117 + 9 + 9 + 6 + 525 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 447561 + 117548964 = 669^2 + 10842^2 .

It is not a de Polignac number, because 117996525 - 2⁵ = 117996493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 261990 + ... + 262439.

It is an arithmetic number, because the mean of its divisors is an integer number (11741405).

Almost surely, 2^117996525 is an apocalyptic number.

117996525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117996525 is a deficient number, since it is larger than the sum of its proper divisors (93348765).

117996525 is a wasteful number, since it uses less digits than its factorization.

117996525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524445 (or 524437 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 117996525 is about 10862.6205401827. The cubic root of 117996525 is about 490.4819982981.

The spelling of 117996525 in words is "one hundred seventeen million, nine hundred ninety-six thousand, five hundred twenty-five".