201135443 has 2 divisors, whose sum is σ = 201135444. Its totient is φ = 201135442.

The previous prime is 201135433. The next prime is 201135457. The reversal of 201135443 is 344531102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201135443 - 2¹² = 201131347 is a prime.

It is not a weakly prime, because it can be changed into another prime (201135433) 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, 100567721 + 100567722.

It is an arithmetic number, because the mean of its divisors is an integer number (100567722).

Almost surely, 2^201135443 is an apocalyptic number.

201135443 is a deficient number, since it is larger than the sum of its proper divisors (1).

201135443 is an equidigital number, since it uses as much as digits as its factorization.

201135443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 201135443 is about 14182.2227806504. Note that the first 3 decimals coincide. The cubic root of 201135443 is about 585.9081450842.

Adding to 201135443 its reverse (344531102), we get a palindrome (545666545).

The spelling of 201135443 in words is "two hundred one million, one hundred thirty-five thousand, four hundred forty-three".