655268 has 12 divisors (see below), whose sum is σ = 1158192. Its totient is φ = 324360.

The previous prime is 655267. The next prime is 655273. The reversal of 655268 is 862556.

Added to its reverse (862556) it gives a square (1517824 = 1232²).

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655268.

It is not an unprimeable number, because it can be changed into a prime (655261) by changing a digit.

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, 338 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (96516).

2⁶⁵⁵²⁶⁸ is an apocalyptic number.

It is an amenable number.

655268 is a deficient number, since it is larger than the sum of its proper divisors (502924).

655268 is a wasteful number, since it uses less digits than its factorization.

655268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1640 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 655268 is about 809.4862568321. The cubic root of 655268 is about 86.8572989832.

Adding to 655268 its reverse (862556), we get a square (1517824 = 1232²).

The spelling of 655268 in words is "six hundred fifty-five thousand, two hundred sixty-eight".