350343289 has 2 divisors, whose sum is σ = 350343290. Its totient is φ = 350343288.

The previous prime is 350343263. The next prime is 350343341. The reversal of 350343289 is 982343053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349989264 + 354025 = 18708^2 + 595^2 .

It is an emirp because it is prime and its reverse (982343053) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350343289 is a prime.

It is not a weakly prime, because it can be changed into another prime (350343589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175171644 + 175171645.

It is an arithmetic number, because the mean of its divisors is an integer number (175171645).

Almost surely, 2^350343289 is an apocalyptic number.

It is an amenable number.

350343289 is a deficient number, since it is larger than the sum of its proper divisors (1).

350343289 is an equidigital number, since it uses as much as digits as its factorization.

350343289 is an evil number, because the sum of its binary digits is even.

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

The square root of 350343289 is about 18717.4594697037. The cubic root of 350343289 is about 704.9602036453.

The spelling of 350343289 in words is "three hundred fifty million, three hundred forty-three thousand, two hundred eighty-nine".