343104257 has 2 divisors, whose sum is σ = 343104258. Its totient is φ = 343104256.

The previous prime is 343104247. The next prime is 343104259. The reversal of 343104257 is 752401343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301682161 + 41422096 = 17369^2 + 6436^2 .

It is an emirp because it is prime and its reverse (752401343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343104257 - 2⁴ = 343104241 is a prime.

Together with 343104259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343104259) 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, 171552128 + 171552129.

It is an arithmetic number, because the mean of its divisors is an integer number (171552129).

Almost surely, 2^343104257 is an apocalyptic number.

It is an amenable number.

343104257 is a deficient number, since it is larger than the sum of its proper divisors (1).

343104257 is an equidigital number, since it uses as much as digits as its factorization.

343104257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 343104257 is about 18523.0736380332. The cubic root of 343104257 is about 700.0709159446.

The spelling of 343104257 in words is "three hundred forty-three million, one hundred four thousand, two hundred fifty-seven".