34198261 has 2 divisors, whose sum is σ = 34198262. Its totient is φ = 34198260.

The previous prime is 34198259. The next prime is 34198267. The reversal of 34198261 is 16289143.

34198261 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 can be written as a sum of positive squares in only one way, i.e., 20875761 + 13322500 = 4569^2 + 3650^2 .

It is a cyclic number.

It is not a de Polignac number, because 34198261 - 2¹ = 34198259 is a prime.

Together with 34198259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34198267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17099130 + 17099131.

It is an arithmetic number, because the mean of its divisors is an integer number (17099131).

Almost surely, 2^34198261 is an apocalyptic number.

It is an amenable number.

34198261 is a deficient number, since it is larger than the sum of its proper divisors (1).

34198261 is an equidigital number, since it uses as much as digits as its factorization.

34198261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 34198261 is about 5847.9279236324. The cubic root of 34198261 is about 324.5896548973.

The spelling of 34198261 in words is "thirty-four million, one hundred ninety-eight thousand, two hundred sixty-one".