32643133 has 2 divisors, whose sum is σ = 32643134. Its totient is φ = 32643132.

The previous prime is 32643131. The next prime is 32643157. The reversal of 32643133 is 33134623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22638564 + 10004569 = 4758^2 + 3163^2 .

It is a cyclic number.

It is not a de Polignac number, because 32643133 - 2¹ = 32643131 is a prime.

Together with 32643131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 32643098 and 32643107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32643131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16321566 + 16321567.

It is an arithmetic number, because the mean of its divisors is an integer number (16321567).

Almost surely, 2^32643133 is an apocalyptic number.

It is an amenable number.

32643133 is a deficient number, since it is larger than the sum of its proper divisors (1).

32643133 is an equidigital number, since it uses as much as digits as its factorization.

32643133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

The square root of 32643133 is about 5713.4169285989. The cubic root of 32643133 is about 319.5930145043.

Adding to 32643133 its reverse (33134623), we get a palindrome (65777756).

The spelling of 32643133 in words is "thirty-two million, six hundred forty-three thousand, one hundred thirty-three".