275229 has 12 divisors (see below), whose sum is σ = 405756. Its totient is φ = 179712.

The previous prime is 275227. The next prime is 275251. The reversal of 275229 is 922572.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 27225 = 498^2 + 165^2 .

It is not a de Polignac number, because 275229 - 2¹ = 275227 is a prime.

It is a d-powerful number, because it can be written as 2 + 7⁴ + 2¹² + 5² + 2¹⁸ + 9⁴ .

It is a plaindrome in base 12.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189 + ... + 765.

It is an arithmetic number, because the mean of its divisors is an integer number (33813).

2²⁷⁵²²⁹ is an apocalyptic number.

It is an amenable number.

275229 is a deficient number, since it is larger than the sum of its proper divisors (130527).

275229 is a wasteful number, since it uses less digits than its factorization.

275229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 633 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 275229 is about 524.6227215819. The cubic root of 275229 is about 65.0476179673.

The spelling of 275229 in words is "two hundred seventy-five thousand, two hundred twenty-nine".