825875817 has 16 divisors (see below), whose sum is σ = 1191203328. Its totient is φ = 505946880.

The previous prime is 825875807. The next prime is 825875819. The reversal of 825875817 is 718578528.

It is not a de Polignac number, because 825875817 - 2⁴ = 825875801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 825875817.

It is not an unprimeable number, because it can be changed into a prime (825875819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38784 + ... + 56177.

It is an arithmetic number, because the mean of its divisors is an integer number (74450208).

Almost surely, 2^825875817 is an apocalyptic number.

It is an amenable number.

825875817 is a deficient number, since it is larger than the sum of its proper divisors (365327511).

825875817 is a wasteful number, since it uses less digits than its factorization.

825875817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95200.

The product of its digits is 1254400, while the sum is 51.

The square root of 825875817 is about 28738.0552055980. The cubic root of 825875817 is about 938.2204967305.

The spelling of 825875817 in words is "eight hundred twenty-five million, eight hundred seventy-five thousand, eight hundred seventeen".