275256 has 24 divisors (see below), whose sum is σ = 745680. Its totient is φ = 91728.

The previous prime is 275251. The next prime is 275263. The reversal of 275256 is 652572.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1840 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (31070).

2²⁷⁵²⁵⁶ is an apocalyptic number.

It is an amenable number.

275256 is an abundant number, since it is smaller than the sum of its proper divisors (470424).

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

275256 is a wasteful number, since it uses less digits than its factorization.

275256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835 (or 3828 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 275256 is about 524.6484537288. The cubic root of 275256 is about 65.0497449576.

The spelling of 275256 in words is "two hundred seventy-five thousand, two hundred fifty-six".