117529585 has 16 divisors (see below), whose sum is σ = 149792976. Its totient is φ = 88219648.

The previous prime is 117529583. The next prime is 117529603. The reversal of 117529585 is 585925711.

It can be written as a sum of positive squares in 8 ways, for example, as 4490161 + 113039424 = 2119^2 + 10632^2 .

It is a cyclic number.

It is not a de Polignac number, because 117529585 - 2¹ = 117529583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117529583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28047 + ... + 31963.

It is an arithmetic number, because the mean of its divisors is an integer number (9362061).

Almost surely, 2^117529585 is an apocalyptic number.

It is an amenable number.

117529585 is a deficient number, since it is larger than the sum of its proper divisors (32263391).

117529585 is a wasteful number, since it uses less digits than its factorization.

117529585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292.

The product of its digits is 126000, while the sum is 43.

The square root of 117529585 is about 10841.1062627391. The cubic root of 117529585 is about 489.8341587876.

The spelling of 117529585 in words is "one hundred seventeen million, five hundred twenty-nine thousand, five hundred eighty-five".