266256041 has 4 divisors (see below), whose sum is σ = 266686800. Its totient is φ = 265825284.

The previous prime is 266256037. The next prime is 266256071. The reversal of 266256041 is 140652662.

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 266256041 - 2² = 266256037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 266255989 and 266256007.

It is not an unprimeable number, because it can be changed into a prime (266256071) 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, 214451 + ... + 215688.

It is an arithmetic number, because the mean of its divisors is an integer number (66671700).

Almost surely, 2^266256041 is an apocalyptic number.

It is an amenable number.

266256041 is a deficient number, since it is larger than the sum of its proper divisors (430759).

266256041 is an equidigital number, since it uses as much as digits as its factorization.

266256041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430758.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 266256041 is about 16317.3539828000. The cubic root of 266256041 is about 643.3290410791.

The spelling of 266256041 in words is "two hundred sixty-six million, two hundred fifty-six thousand, forty-one".