266130433 has 2 divisors, whose sum is σ = 266130434. Its totient is φ = 266130432.

The previous prime is 266130421. The next prime is 266130457. The reversal of 266130433 is 334031662.

266130433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262828944 + 3301489 = 16212^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 266130433 - 2²¹ = 264033281 is a prime.

It is not a weakly prime, because it can be changed into another prime (266130413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133065216 + 133065217.

It is an arithmetic number, because the mean of its divisors is an integer number (133065217).

Almost surely, 2^266130433 is an apocalyptic number.

It is an amenable number.

266130433 is a deficient number, since it is larger than the sum of its proper divisors (1).

266130433 is an equidigital number, since it uses as much as digits as its factorization.

266130433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 266130433 is about 16313.5046204058. The cubic root of 266130433 is about 643.2278602955.

The spelling of 266130433 in words is "two hundred sixty-six million, one hundred thirty thousand, four hundred thirty-three".