83291171 has 2 divisors, whose sum is σ = 83291172. Its totient is φ = 83291170.

The previous prime is 83291137. The next prime is 83291179. The reversal of 83291171 is 17119238.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83291171 - 2¹⁸ = 83029027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83291179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41645585 + 41645586.

It is an arithmetic number, because the mean of its divisors is an integer number (41645586).

Almost surely, 2^83291171 is an apocalyptic number.

83291171 is a deficient number, since it is larger than the sum of its proper divisors (1).

83291171 is an equidigital number, since it uses as much as digits as its factorization.

83291171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The square root of 83291171 is about 9126.3996734747. The cubic root of 83291171 is about 436.7165555597.

The spelling of 83291171 in words is "eighty-three million, two hundred ninety-one thousand, one hundred seventy-one".