275065 has 16 divisors (see below), whose sum is σ = 391680. Its totient is φ = 181440.

The previous prime is 275059. The next prime is 275083. The reversal of 275065 is 560572.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-275065 is a prime.

275065 is a lucky number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880 + ... + 1150.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2²⁷⁵⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

275065 is a deficient number, since it is larger than the sum of its proper divisors (116615).

275065 is a wasteful number, since it uses less digits than its factorization.

275065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 275065 is about 524.4663954916. The cubic root of 275065 is about 65.0346954810.

The spelling of 275065 in words is "two hundred seventy-five thousand, sixty-five".