871305 has 16 divisors (see below), whose sum is σ = 1442880. Its totient is φ = 448448.

The previous prime is 871303. The next prime is 871337. The reversal of 871305 is 503178.

871305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 871305 - 2¹ = 871303 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871303) 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, 567 + ... + 1436.

It is an arithmetic number, because the mean of its divisors is an integer number (90180).

2⁸⁷¹³⁰⁵ is an apocalyptic number.

It is an amenable number.

871305 is a deficient number, since it is larger than the sum of its proper divisors (571575).

871305 is a wasteful number, since it uses less digits than its factorization.

871305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 871305 is about 933.4371966019. The cubic root of 871305 is about 95.5117352610.

It can be divided in two parts, 871 and 305, that added together give a triangular number (1176 = T₄₈).

The spelling of 871305 in words is "eight hundred seventy-one thousand, three hundred five".