201232601 has 2 divisors, whose sum is σ = 201232602. Its totient is φ = 201232600.

The previous prime is 201232597. The next prime is 201232613. The reversal of 201232601 is 106232102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182223001 + 19009600 = 13499^2 + 4360^2 .

It is a cyclic number.

It is not a de Polignac number, because 201232601 - 2² = 201232597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201232601.

It is not a weakly prime, because it can be changed into another prime (201232631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616300 + 100616301.

It is an arithmetic number, because the mean of its divisors is an integer number (100616301).

Almost surely, 2^201232601 is an apocalyptic number.

It is an amenable number.

201232601 is a deficient number, since it is larger than the sum of its proper divisors (1).

201232601 is an equidigital number, since it uses as much as digits as its factorization.

201232601 is an odious number, because the sum of its binary digits is odd.

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

The square root of 201232601 is about 14185.6477116838. The cubic root of 201232601 is about 586.0024704125.

Adding to 201232601 its reverse (106232102), we get a palindrome (307464703).

The spelling of 201232601 in words is "two hundred one million, two hundred thirty-two thousand, six hundred one".