349330481 has 2 divisors, whose sum is σ = 349330482. Its totient is φ = 349330480.

The previous prime is 349330459. The next prime is 349330511. The reversal of 349330481 is 184033943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180096400 + 169234081 = 13420^2 + 13009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349330481 is a prime.

It is a super-2 number, since 2×349330481² = 244063569911382722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (349330441) 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, 174665240 + 174665241.

It is an arithmetic number, because the mean of its divisors is an integer number (174665241).

Almost surely, 2^349330481 is an apocalyptic number.

It is an amenable number.

349330481 is a deficient number, since it is larger than the sum of its proper divisors (1).

349330481 is an equidigital number, since it uses as much as digits as its factorization.

349330481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 349330481 is about 18690.3847204920. The cubic root of 349330481 is about 704.2802244289.

The spelling of 349330481 in words is "three hundred forty-nine million, three hundred thirty thousand, four hundred eighty-one".