982000181 has 2 divisors, whose sum is σ = 982000182. Its totient is φ = 982000180.

The previous prime is 982000177. The next prime is 982000211. The reversal of 982000181 is 181000289.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981819556 + 180625 = 31334^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 982000181 - 2² = 982000177 is a prime.

It is a super-2 number, since 2×982000181² = 1928648710968065522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (982000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491000090 + 491000091.

It is an arithmetic number, because the mean of its divisors is an integer number (491000091).

Almost surely, 2^982000181 is an apocalyptic number.

It is an amenable number.

982000181 is a deficient number, since it is larger than the sum of its proper divisors (1).

982000181 is an equidigital number, since it uses as much as digits as its factorization.

982000181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 982000181 is about 31336.8821199557. The cubic root of 982000181 is about 993.9636966905.

The spelling of 982000181 in words is "nine hundred eighty-two million, one hundred eighty-one", and thus it is an aban number.