266032001 has 2 divisors, whose sum is σ = 266032002. Its totient is φ = 266032000.

The previous prime is 266031989. The next prime is 266032021. The reversal of 266032001 is 100230662.

It is an a-pointer prime, because the next prime (266032021) can be obtained adding 266032001 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245736976 + 20295025 = 15676^2 + 4505^2 .

It is a cyclic number.

It is not a de Polignac number, because 266032001 - 2⁶ = 266031937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (266032021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133016000 + 133016001.

It is an arithmetic number, because the mean of its divisors is an integer number (133016001).

Almost surely, 2^266032001 is an apocalyptic number.

It is an amenable number.

266032001 is a deficient number, since it is larger than the sum of its proper divisors (1).

266032001 is an equidigital number, since it uses as much as digits as its factorization.

266032001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 266032001 is about 16310.4874543957. The cubic root of 266032001 is about 643.1485482935.

Adding to 266032001 its reverse (100230662), we get a palindrome (366262663).

The spelling of 266032001 in words is "two hundred sixty-six million, thirty-two thousand, one".