266496001 has 2 divisors, whose sum is σ = 266496002. Its totient is φ = 266496000.

The previous prime is 266495989. The next prime is 266496011. The reversal of 266496001 is 100694662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232867600 + 33628401 = 15260^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 266496001 - 2²³ = 258107393 is a prime.

It is not a weakly prime, because it can be changed into another prime (266496011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133248000 + 133248001.

It is an arithmetic number, because the mean of its divisors is an integer number (133248001).

Almost surely, 2^266496001 is an apocalyptic number.

It is an amenable number.

266496001 is a deficient number, since it is larger than the sum of its proper divisors (1).

266496001 is an equidigital number, since it uses as much as digits as its factorization.

266496001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 266496001 is about 16324.7052347049. The cubic root of 266496001 is about 643.5222471921.

The spelling of 266496001 in words is "two hundred sixty-six million, four hundred ninety-six thousand, one".