266000201 has 2 divisors, whose sum is σ = 266000202. Its totient is φ = 266000200.

The previous prime is 266000191. The next prime is 266000237. The reversal of 266000201 is 102000662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264908176 + 1092025 = 16276^2 + 1045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266000201 is a prime.

It is a super-2 number, since 2×266000201² = 141512213864080802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266000201.

It is not a weakly prime, because it can be changed into another prime (266000291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133000100 + 133000101.

It is an arithmetic number, because the mean of its divisors is an integer number (133000101).

Almost surely, 2^266000201 is an apocalyptic number.

It is an amenable number.

266000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

266000201 is an equidigital number, since it uses as much as digits as its factorization.

266000201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 266000201 is about 16309.5125923493. The cubic root of 266000201 is about 643.1229211275.

Adding to 266000201 its reverse (102000662), we get a palindrome (368000863).

The spelling of 266000201 in words is "two hundred sixty-six million, two hundred one", and thus it is an aban number.