825008585 has 4 divisors (see below), whose sum is σ = 990010308. Its totient is φ = 660006864.

The previous prime is 825008567. The next prime is 825008609. The reversal of 825008585 is 585800528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194546704 + 630461881 = 13948^2 + 25109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825008585 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 82500854 + ... + 82500863.

It is an arithmetic number, because the mean of its divisors is an integer number (247502577).

Almost surely, 2^825008585 is an apocalyptic number.

It is an amenable number.

825008585 is a deficient number, since it is larger than the sum of its proper divisors (165001723).

825008585 is a wasteful number, since it uses less digits than its factorization.

825008585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165001722.

The product of its (nonzero) digits is 128000, while the sum is 41.

The square root of 825008585 is about 28722.9626779690. The cubic root of 825008585 is about 937.8919809145.

The spelling of 825008585 in words is "eight hundred twenty-five million, eight thousand, five hundred eighty-five".