83350181 has 2 divisors, whose sum is σ = 83350182. Its totient is φ = 83350180.

The previous prime is 83350151. The next prime is 83350187. The reversal of 83350181 is 18105338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 40119556 = 6575^2 + 6334^2 .

It is a cyclic number.

It is not a de Polignac number, because 83350181 - 2¹⁰ = 83349157 is a prime.

It is a super-2 number, since 2×83350181² = 13894505345465522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83350187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41675090 + 41675091.

It is an arithmetic number, because the mean of its divisors is an integer number (41675091).

Almost surely, 2^83350181 is an apocalyptic number.

It is an amenable number.

83350181 is a deficient number, since it is larger than the sum of its proper divisors (1).

83350181 is an equidigital number, since it uses as much as digits as its factorization.

83350181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 83350181 is about 9129.6320298246. The cubic root of 83350181 is about 436.8196659696.

The spelling of 83350181 in words is "eighty-three million, three hundred fifty thousand, one hundred eighty-one".