266475 has 48 divisors (see below), whose sum is σ = 535680. Its totient is φ = 115200.

The previous prime is 266449. The next prime is 266477. The reversal of 266475 is 574662.

It is not a de Polignac number, because 266475 - 2⁶ = 266411 is a prime.

Its product of digits (10080) is a multiple of the sum of its prime factors (60).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266475.

It is not an unprimeable number, because it can be changed into a prime (266477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14016 + ... + 14034.

It is an arithmetic number, because the mean of its divisors is an integer number (11160).

2²⁶⁶⁴⁷⁵ is an apocalyptic number.

266475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

266475 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266475 is a wasteful number, since it uses less digits than its factorization.

266475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 55 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 266475 is about 516.2121656838. The cubic root of 266475 is about 64.3505342666.

It can be divided in two parts, 266 and 475, that added together give a triangular number (741 = T₃₈).

The spelling of 266475 in words is "two hundred sixty-six thousand, four hundred seventy-five".