181982083 has 2 divisors, whose sum is σ = 181982084. Its totient is φ = 181982082.

The previous prime is 181982081. The next prime is 181982107. The reversal of 181982083 is 380289181.

181982083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 181982083 - 2¹ = 181982081 is a prime.

Together with 181982081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (181982081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90991041 + 90991042.

It is an arithmetic number, because the mean of its divisors is an integer number (90991042).

Almost surely, 2^181982083 is an apocalyptic number.

181982083 is a deficient number, since it is larger than the sum of its proper divisors (1).

181982083 is an equidigital number, since it uses as much as digits as its factorization.

181982083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 181982083 is about 13490.0734986878. The cubic root of 181982083 is about 566.6865137608.

The spelling of 181982083 in words is "one hundred eighty-one million, nine hundred eighty-two thousand, eighty-three".