273256 has 8 divisors (see below), whose sum is σ = 512370. Its totient is φ = 136624.

The previous prime is 273253. The next prime is 273269. The reversal of 273256 is 652372.

It can be written as a sum of positive squares in only one way, i.e., 202500 + 70756 = 450^2 + 266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 273256.

It is not an unprimeable number, because it can be changed into a prime (273253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17071 + ... + 17086.

2²⁷³²⁵⁶ is an apocalyptic number.

It is an amenable number.

273256 is a deficient number, since it is larger than the sum of its proper divisors (239114).

273256 is a wasteful number, since it uses less digits than its factorization.

273256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34163 (or 34159 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 273256 is about 522.7389405812. The cubic root of 273256 is about 64.8918121394.

It can be divided in two parts, 273 and 256, that added together give a square (529 = 23²).

The spelling of 273256 in words is "two hundred seventy-three thousand, two hundred fifty-six".