266725 has 12 divisors (see below), whose sum is σ = 339264. Its totient is φ = 207920.

The previous prime is 266719. The next prime is 266759. The reversal of 266725 is 527662.

It is a de Polignac number, because none of the positive numbers 2^k-266725 is a prime.

It is a super-2 number, since 2×266725² = 142284451250, which contains 22 as substring.

It is a Duffinian number.

266725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 266693 and 266702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (28272).

2²⁶⁶⁷²⁵ is an apocalyptic number.

266725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266725 is a deficient number, since it is larger than the sum of its proper divisors (72539).

266725 is a wasteful number, since it uses less digits than its factorization.

266725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 279 counting only the distinct ones).

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

The square root of 266725 is about 516.4542574130. The cubic root of 266725 is about 64.3706519827.

The spelling of 266725 in words is "two hundred sixty-six thousand, seven hundred twenty-five".