655875 has 48 divisors (see below), whose sum is σ = 1314144. Its totient is φ = 312000.

The previous prime is 655859. The next prime is 655883. The reversal of 655875 is 578556.

It is not a de Polignac number, because 655875 - 2⁴ = 655859 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12349 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (27378).

2⁶⁵⁵⁸⁷⁵ is an apocalyptic number.

655875 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655875 is a wasteful number, since it uses less digits than its factorization.

655875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 72 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 655875 is about 809.8610992016. The cubic root of 655875 is about 86.8841104605.

The spelling of 655875 in words is "six hundred fifty-five thousand, eight hundred seventy-five".