655256 has 16 divisors (see below), whose sum is σ = 1404240. Its totient is φ = 280800.

The previous prime is 655243. The next prime is 655261. The reversal of 655256 is 652556.

It is a congruent number.

It is an unprimeable number.

655256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5795 + ... + 5906.

It is an arithmetic number, because the mean of its divisors is an integer number (87765).

2⁶⁵⁵²⁵⁶ is an apocalyptic number.

It is an amenable number.

655256 is an abundant number, since it is smaller than the sum of its proper divisors (748984).

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

655256 is a wasteful number, since it uses less digits than its factorization.

655256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714 (or 11710 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 655256 is about 809.4788446896. The cubic root of 655256 is about 86.8567687706.

The spelling of 655256 in words is "six hundred fifty-five thousand, two hundred fifty-six".