264256 has 14 divisors (see below), whose sum is σ = 524510. Its totient is φ = 132096.

The previous prime is 264221. The next prime is 264263. The reversal of 264256 is 652462.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 33856 = 480^2 + 184^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 264256.

It is an unprimeable number.

264256 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 (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001 + ... + 2128.

It is an arithmetic number, because the mean of its divisors is an integer number (37465).

2²⁶⁴²⁵⁶ is an apocalyptic number.

It is an amenable number.

264256 is a deficient number, since it is larger than the sum of its proper divisors (260254).

264256 is an equidigital number, since it uses as much as digits as its factorization.

264256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141 (or 4131 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 264256 is about 514.0583624454. The cubic root of 264256 is about 64.1714154766.

The spelling of 264256 in words is "two hundred sixty-four thousand, two hundred fifty-six".