875641 has 8 divisors (see below), whose sum is σ = 950600. Its totient is φ = 801792.

The previous prime is 875629. The next prime is 875647. The reversal of 875641 is 146578.

It can be written as a sum of positive squares in 4 ways, for example, as 29241 + 846400 = 171^2 + 920^2 .

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 875641 - 2⁷ = 875513 is a prime.

It is a Duffinian number.

875641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (875647) 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, 2335 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (118825).

2⁸⁷⁵⁶⁴¹ is an apocalyptic number.

It is an amenable number.

875641 is a deficient number, since it is larger than the sum of its proper divisors (74959).

875641 is a wasteful number, since it uses less digits than its factorization.

875641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its digits is 6720, while the sum is 31.

The square root of 875641 is about 935.7569128786. The cubic root of 875641 is about 95.6699094165.

The spelling of 875641 in words is "eight hundred seventy-five thousand, six hundred forty-one".