275265 has 16 divisors (see below), whose sum is σ = 489600. Its totient is φ = 146736.

The previous prime is 275263. The next prime is 275269. The reversal of 275265 is 562572.

It is not a de Polignac number, because 275265 - 2¹ = 275263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (275263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (30600).

2²⁷⁵²⁶⁵ is an apocalyptic number.

It is an amenable number.

275265 is a deficient number, since it is larger than the sum of its proper divisors (214335).

275265 is a wasteful number, since it uses less digits than its factorization.

275265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2047 counting only the distinct ones).

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

The square root of 275265 is about 524.6570308306. The cubic root of 275265 is about 65.0504539235.

The spelling of 275265 in words is "two hundred seventy-five thousand, two hundred sixty-five".