275266 has 4 divisors (see below), whose sum is σ = 412902. Its totient is φ = 137632.

The previous prime is 275263. The next prime is 275269. The reversal of 275266 is 662572.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (275263) and next prime (275269).

It can be written as a sum of positive squares in only one way, i.e., 172225 + 103041 = 415^2 + 321^2 .

It is a d-powerful number, because it can be written as 2¹⁰ + 7⁴ + 2¹⁸ + 5⁴ + 6⁴ + 6⁵ .

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 as a sum of consecutive naturals, namely, 68815 + ... + 68818.

2²⁷⁵²⁶⁶ is an apocalyptic number.

275266 is a deficient number, since it is larger than the sum of its proper divisors (137636).

275266 is a wasteful number, since it uses less digits than its factorization.

275266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137635.

The product of its digits is 5040, while the sum is 28.

The square root of 275266 is about 524.6579838333. The cubic root of 275266 is about 65.0505326965.

The spelling of 275266 in words is "two hundred seventy-five thousand, two hundred sixty-six".