266203241 has 4 divisors (see below), whose sum is σ = 266514000. Its totient is φ = 265892484.

The previous prime is 266203213. The next prime is 266203247. The reversal of 266203241 is 142302662.

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 a cyclic number.

It is not a de Polignac number, because 266203241 - 2²² = 262008937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266203241.

It is not an unprimeable number, because it can be changed into a prime (266203247) 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, 154091 + ... + 155808.

It is an arithmetic number, because the mean of its divisors is an integer number (66628500).

Almost surely, 2^266203241 is an apocalyptic number.

It is an amenable number.

266203241 is a deficient number, since it is larger than the sum of its proper divisors (310759).

266203241 is an equidigital number, since it uses as much as digits as its factorization.

266203241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310758.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 266203241 is about 16315.7359932061. The cubic root of 266203241 is about 643.2865130688.

The spelling of 266203241 in words is "two hundred sixty-six million, two hundred three thousand, two hundred forty-one".