266052133 has 2 divisors, whose sum is σ = 266052134. Its totient is φ = 266052132.

The previous prime is 266052131. The next prime is 266052151. The reversal of 266052133 is 331250662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251444449 + 14607684 = 15857^2 + 3822^2 .

It is a cyclic number.

It is not a de Polignac number, because 266052133 - 2¹ = 266052131 is a prime.

Together with 266052131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266052131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133026066 + 133026067.

It is an arithmetic number, because the mean of its divisors is an integer number (133026067).

Almost surely, 2^266052133 is an apocalyptic number.

It is an amenable number.

266052133 is a deficient number, since it is larger than the sum of its proper divisors (1).

266052133 is an equidigital number, since it uses as much as digits as its factorization.

266052133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 266052133 is about 16311.1045916578. The cubic root of 266052133 is about 643.1647713293.

The spelling of 266052133 in words is "two hundred sixty-six million, fifty-two thousand, one hundred thirty-three".