871625 has 16 divisors (see below), whose sum is σ = 1148160. Its totient is φ = 658800.

The previous prime is 871621. The next prime is 871639. The reversal of 871625 is 526178.

871625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 871625 - 2² = 871621 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 871625.

It is not an unprimeable number, because it can be changed into a prime (871621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2192 + ... + 2558.

It is an arithmetic number, because the mean of its divisors is an integer number (71760).

2⁸⁷¹⁶²⁵ is an apocalyptic number.

It is an amenable number.

871625 is a deficient number, since it is larger than the sum of its proper divisors (276535).

871625 is a wasteful number, since it uses less digits than its factorization.

871625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 391 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 871625 is about 933.6085903632. The cubic root of 871625 is about 95.5234265419.

The spelling of 871625 in words is "eight hundred seventy-one thousand, six hundred twenty-five".