338254193 has 2 divisors, whose sum is σ = 338254194. Its totient is φ = 338254192.

The previous prime is 338254121. The next prime is 338254199. The reversal of 338254193 is 391452833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202578289 + 135675904 = 14233^2 + 11648^2 .

It is an emirp because it is prime and its reverse (391452833) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338254193 is a prime.

It is a super-2 number, since 2×338254193² = 228831798164162498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338254199) 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, 169127096 + 169127097.

It is an arithmetic number, because the mean of its divisors is an integer number (169127097).

Almost surely, 2^338254193 is an apocalyptic number.

It is an amenable number.

338254193 is a deficient number, since it is larger than the sum of its proper divisors (1).

338254193 is an equidigital number, since it uses as much as digits as its factorization.

338254193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 338254193 is about 18391.6881498138. The cubic root of 338254193 is about 696.7565545924.

It can be divided in two parts, 3382 and 54193, that added together give a palindrome (57575).

The spelling of 338254193 in words is "three hundred thirty-eight million, two hundred fifty-four thousand, one hundred ninety-three".