84271133 has 2 divisors, whose sum is σ = 84271134. Its totient is φ = 84271132.

The previous prime is 84271097. The next prime is 84271139. The reversal of 84271133 is 33117248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50665924 + 33605209 = 7118^2 + 5797^2 .

It is a cyclic number.

It is not a de Polignac number, because 84271133 - 2⁶ = 84271069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84271096 and 84271105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84271139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42135566 + 42135567.

It is an arithmetic number, because the mean of its divisors is an integer number (42135567).

Almost surely, 2^84271133 is an apocalyptic number.

It is an amenable number.

84271133 is a deficient number, since it is larger than the sum of its proper divisors (1).

84271133 is an equidigital number, since it uses as much as digits as its factorization.

84271133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 84271133 is about 9179.9309910260. The cubic root of 84271133 is about 438.4226111561.

The spelling of 84271133 in words is "eighty-four million, two hundred seventy-one thousand, one hundred thirty-three".