83471081 has 2 divisors, whose sum is σ = 83471082. Its totient is φ = 83471080.

The previous prime is 83471057. The next prime is 83471083. The reversal of 83471081 is 18017438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61465600 + 22005481 = 7840^2 + 4691^2 .

It is a cyclic number.

It is not a de Polignac number, because 83471081 - 2²⁶ = 16362217 is a prime.

It is a super-2 number, since 2×83471081² = 13934842726617122, which contains 22 as substring.

Together with 83471083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83471083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41735540 + 41735541.

It is an arithmetic number, because the mean of its divisors is an integer number (41735541).

Almost surely, 2^83471081 is an apocalyptic number.

It is an amenable number.

83471081 is a deficient number, since it is larger than the sum of its proper divisors (1).

83471081 is an equidigital number, since it uses as much as digits as its factorization.

83471081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 83471081 is about 9136.2509269393. The cubic root of 83471081 is about 437.0307672257.

The spelling of 83471081 in words is "eighty-three million, four hundred seventy-one thousand, eighty-one".