33140441 has 2 divisors, whose sum is σ = 33140442. Its totient is φ = 33140440.

The previous prime is 33140413. The next prime is 33140449. The reversal of 33140441 is 14404133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32775625 + 364816 = 5725^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 33140441 - 2⁶ = 33140377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33140449) 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, 16570220 + 16570221.

It is an arithmetic number, because the mean of its divisors is an integer number (16570221).

Almost surely, 2^33140441 is an apocalyptic number.

It is an amenable number.

33140441 is a deficient number, since it is larger than the sum of its proper divisors (1).

33140441 is an equidigital number, since it uses as much as digits as its factorization.

33140441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 33140441 is about 5756.7734886827. The cubic root of 33140441 is about 321.2078085566.

Adding to 33140441 its reverse (14404133), we get a palindrome (47544574).

The spelling of 33140441 in words is "thirty-three million, one hundred forty thousand, four hundred forty-one".