524118985 has 16 divisors (see below), whose sum is σ = 681080400. Its totient is φ = 384894720.

The previous prime is 524118977. The next prime is 524118989. The reversal of 524118985 is 589811425.

It can be written as a sum of positive squares in 8 ways, for example, as 273340089 + 250778896 = 16533^2 + 15836^2 .

It is not a de Polignac number, because 524118985 - 2³ = 524118977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (524118989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10510 + ... + 34039.

It is an arithmetic number, because the mean of its divisors is an integer number (42567525).

Almost surely, 2^524118985 is an apocalyptic number.

It is an amenable number.

524118985 is a deficient number, since it is larger than the sum of its proper divisors (156961415).

524118985 is a wasteful number, since it uses less digits than its factorization.

524118985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44748.

The product of its digits is 115200, while the sum is 43.

The square root of 524118985 is about 22893.6450789297. The cubic root of 524118985 is about 806.2628148515.

The spelling of 524118985 in words is "five hundred twenty-four million, one hundred eighteen thousand, nine hundred eighty-five".