871170925 has 12 divisors (see below), whose sum is σ = 1080796276. Its totient is φ = 696585600.

The previous prime is 871170877. The next prime is 871170943. The reversal of 871170925 is 529071178.

It can be written as a sum of positive squares in 6 ways, for example, as 96884649 + 774286276 = 9843^2 + 27826^2 .

It is not a de Polignac number, because 871170925 - 2²¹ = 869073773 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 49387 + ... + 64663.

Almost surely, 2^871170925 is an apocalyptic number.

It is an amenable number.

871170925 is a deficient number, since it is larger than the sum of its proper divisors (209625351).

871170925 is a wasteful number, since it uses less digits than its factorization.

871170925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17568 (or 17563 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 871170925 is about 29515.6047710359. The cubic root of 871170925 is about 955.0683594607.

The spelling of 871170925 in words is "eight hundred seventy-one million, one hundred seventy thousand, nine hundred twenty-five".