343350289 has 2 divisors, whose sum is σ = 343350290. Its totient is φ = 343350288.

The previous prime is 343350283. The next prime is 343350331. The reversal of 343350289 is 982053343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330512400 + 12837889 = 18180^2 + 3583^2 .

It is a cyclic number.

It is not a de Polignac number, because 343350289 - 2⁵ = 343350257 is a prime.

It is not a weakly prime, because it can be changed into another prime (343350283) 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, 171675144 + 171675145.

It is an arithmetic number, because the mean of its divisors is an integer number (171675145).

Almost surely, 2^343350289 is an apocalyptic number.

It is an amenable number.

343350289 is a deficient number, since it is larger than the sum of its proper divisors (1).

343350289 is an equidigital number, since it uses as much as digits as its factorization.

343350289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 343350289 is about 18529.7136783060. The cubic root of 343350289 is about 700.2382107642.

The spelling of 343350289 in words is "three hundred forty-three million, three hundred fifty thousand, two hundred eighty-nine".