266528 has 12 divisors (see below), whose sum is σ = 524790. Its totient is φ = 133248.

The previous prime is 266521. The next prime is 266549. The reversal of 266528 is 825662.

It can be written as a sum of positive squares in only one way, i.e., 258064 + 8464 = 508^2 + 92^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266528.

It is not an unprimeable number, because it can be changed into a prime (266521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4133 + ... + 4196.

2²⁶⁶⁵²⁸ is an apocalyptic number.

It is an amenable number.

266528 is a deficient number, since it is larger than the sum of its proper divisors (258262).

266528 is an equidigital number, since it uses as much as digits as its factorization.

266528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339 (or 8331 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 266528 is about 516.2634986129. The cubic root of 266528 is about 64.3548002731.

The spelling of 266528 in words is "two hundred sixty-six thousand, five hundred twenty-eight".