871162425 has 72 divisors (see below), whose sum is σ = 1861711200. Its totient is φ = 398230560.

The previous prime is 871162423. The next prime is 871162427. The reversal of 871162425 is 524261178.

871162425 is a `hidden beast` number, since 8 + 7 + 1 + 1 + 624 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (871162423) and next prime (871162427).

It is not a de Polignac number, because 871162425 - 2¹ = 871162423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 871162425.

It is not an unprimeable number, because it can be changed into a prime (871162423) 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 71 ways as a sum of consecutive naturals, for example, 19906 + ... + 46244.

It is an arithmetic number, because the mean of its divisors is an integer number (25857100).

Almost surely, 2^871162425 is an apocalyptic number.

It is an amenable number.

871162425 is an abundant number, since it is smaller than the sum of its proper divisors (990548775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871162425 is a wasteful number, since it uses less digits than its factorization.

871162425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26372 (or 26354 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 871162425 is about 29515.4607790561. The cubic root of 871162425 is about 955.0652532553.

The spelling of 871162425 in words is "eight hundred seventy-one million, one hundred sixty-two thousand, four hundred twenty-five".