34198181 has 2 divisors, whose sum is σ = 34198182. Its totient is φ = 34198180.

The previous prime is 34198147. The next prime is 34198189. The reversal of 34198181 is 18189143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31528225 + 2669956 = 5615^2 + 1634^2 .

It is a cyclic number.

It is not a de Polignac number, because 34198181 - 2¹⁸ = 33936037 is a prime.

It is a super-2 number, since 2×34198181² = 2339031167417522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34198189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17099090 + 17099091.

It is an arithmetic number, because the mean of its divisors is an integer number (17099091).

Almost surely, 2^34198181 is an apocalyptic number.

It is an amenable number.

34198181 is a deficient number, since it is larger than the sum of its proper divisors (1).

34198181 is an equidigital number, since it uses as much as digits as its factorization.

34198181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 34198181 is about 5847.9210835989. The cubic root of 34198181 is about 324.5894017928.

The spelling of 34198181 in words is "thirty-four million, one hundred ninety-eight thousand, one hundred eighty-one".