266875433 has 4 divisors (see below), whose sum is σ = 291136848. Its totient is φ = 242614020.

The previous prime is 266875423. The next prime is 266875451. The reversal of 266875433 is 334578662.

266875433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 266875433 - 2¹⁸ = 266613289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266875423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12130691 + ... + 12130712.

It is an arithmetic number, because the mean of its divisors is an integer number (72784212).

Almost surely, 2^266875433 is an apocalyptic number.

It is an amenable number.

266875433 is a deficient number, since it is larger than the sum of its proper divisors (24261415).

266875433 is a wasteful number, since it uses less digits than its factorization.

266875433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24261414.

The product of its digits is 725760, while the sum is 44.

The square root of 266875433 is about 16336.3225053866. The cubic root of 266875433 is about 643.8275139891.

The spelling of 266875433 in words is "two hundred sixty-six million, eight hundred seventy-five thousand, four hundred thirty-three".