825671 has 8 divisors (see below), whose sum is σ = 1029504. Its totient is φ = 643320.

The previous prime is 825661. The next prime is 825679. The reversal of 825671 is 176528.

825671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825671 - 2¹⁰ = 824647 is a prime.

It is a plaindrome in base 12 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5285 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (128688).

2⁸²⁵⁶⁷¹ is an apocalyptic number.

825671 is a deficient number, since it is larger than the sum of its proper divisors (203833).

825671 is a wasteful number, since it uses less digits than its factorization.

825671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10741.

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

The square root of 825671 is about 908.6644044971. The cubic root of 825671 is about 93.8142930834.

The spelling of 825671 in words is "eight hundred twenty-five thousand, six hundred seventy-one".