350304289 has 2 divisors, whose sum is σ = 350304290. Its totient is φ = 350304288.

The previous prime is 350304263. The next prime is 350304293. The reversal of 350304289 is 982403053.

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., 348942400 + 1361889 = 18680^2 + 1167^2 .

It is a cyclic number.

It is not a de Polignac number, because 350304289 - 2⁵ = 350304257 is a prime.

It is not a weakly prime, because it can be changed into another prime (350304389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175152144 + 175152145.

It is an arithmetic number, because the mean of its divisors is an integer number (175152145).

Almost surely, 2^350304289 is an apocalyptic number.

It is an amenable number.

350304289 is a deficient number, since it is larger than the sum of its proper divisors (1).

350304289 is an equidigital number, since it uses as much as digits as its factorization.

350304289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 350304289 is about 18716.4176326561. The cubic root of 350304289 is about 704.9340440955.

The spelling of 350304289 in words is "three hundred fifty million, three hundred four thousand, two hundred eighty-nine".