266701 has 2 divisors, whose sum is σ = 266702. Its totient is φ = 266700.

The previous prime is 266689. The next prime is 266711. The reversal of 266701 is 107662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224676 + 42025 = 474^2 + 205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266701 is a prime.

It is a super-2 number, since 2×266701² = 142258846802, which contains 22 as substring.

266701 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133350 + 133351.

It is an arithmetic number, because the mean of its divisors is an integer number (133351).

2²⁶⁶⁷⁰¹ is an apocalyptic number.

It is an amenable number.

266701 is a deficient number, since it is larger than the sum of its proper divisors (1).

266701 is an equidigital number, since it uses as much as digits as its factorization.

266701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 266701 is about 516.4310215314. The cubic root of 266701 is about 64.3687212276.

The spelling of 266701 in words is "two hundred sixty-six thousand, seven hundred one".