340254193 has 2 divisors, whose sum is σ = 340254194. Its totient is φ = 340254192.

The previous prime is 340254191. The next prime is 340254251. The reversal of 340254193 is 391452043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244859904 + 95394289 = 15648^2 + 9767^2 .

It is an emirp because it is prime and its reverse (391452043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340254193 - 2¹ = 340254191 is a prime.

Together with 340254191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340254191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170127096 + 170127097.

It is an arithmetic number, because the mean of its divisors is an integer number (170127097).

Almost surely, 2^340254193 is an apocalyptic number.

It is an amenable number.

340254193 is a deficient number, since it is larger than the sum of its proper divisors (1).

340254193 is an equidigital number, since it uses as much as digits as its factorization.

340254193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 340254193 is about 18445.9804022448. The cubic root of 340254193 is about 698.1270974595.

The spelling of 340254193 in words is "three hundred forty million, two hundred fifty-four thousand, one hundred ninety-three".