875605 has 8 divisors (see below), whose sum is σ = 1079352. Its totient is φ = 681408.

The previous prime is 875593. The next prime is 875617. The reversal of 875605 is 506578.

It is an interprime number because it is at equal distance from previous prime (875593) and next prime (875617).

It can be written as a sum of positive squares in 4 ways, for example, as 116964 + 758641 = 342^2 + 871^2 .

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 875605 - 2⁷ = 875477 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182 + ... + 2551.

It is an arithmetic number, because the mean of its divisors is an integer number (134919).

2⁸⁷⁵⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

875605 is a deficient number, since it is larger than the sum of its proper divisors (203747).

875605 is a wasteful number, since it uses less digits than its factorization.

875605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 875605 is about 935.7376769159. The cubic root of 875605 is about 95.6685983145.

The spelling of 875605 in words is "eight hundred seventy-five thousand, six hundred five".