266375 has 8 divisors (see below), whose sum is σ = 332592. Its totient is φ = 213000.

The previous prime is 266369. The next prime is 266381. The reversal of 266375 is 573662.

It is an interprime number because it is at equal distance from previous prime (266369) and next prime (266381).

It is not a de Polignac number, because 266375 - 2⁴ = 266359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941 + ... + 1190.

It is an arithmetic number, because the mean of its divisors is an integer number (41574).

2²⁶⁶³⁷⁵ is an apocalyptic number.

266375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

266375 is a deficient number, since it is larger than the sum of its proper divisors (66217).

266375 is an equidigital number, since it uses as much as digits as its factorization.

266375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2136 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 266375 is about 516.1152971963. The cubic root of 266375 is about 64.3424836570.

The spelling of 266375 in words is "two hundred sixty-six thousand, three hundred seventy-five".