349294013 has 2 divisors, whose sum is σ = 349294014. Its totient is φ = 349294012.

The previous prime is 349294007. The next prime is 349294021. The reversal of 349294013 is 310492943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292170649 + 57123364 = 17093^2 + 7558^2 .

It is a cyclic number.

It is not a de Polignac number, because 349294013 - 2¹⁰ = 349292989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349294003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174647006 + 174647007.

It is an arithmetic number, because the mean of its divisors is an integer number (174647007).

Almost surely, 2^349294013 is an apocalyptic number.

It is an amenable number.

349294013 is a deficient number, since it is larger than the sum of its proper divisors (1).

349294013 is an equidigital number, since it uses as much as digits as its factorization.

349294013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 349294013 is about 18689.4091131849. The cubic root of 349294013 is about 704.2557160370.

The spelling of 349294013 in words is "three hundred forty-nine million, two hundred ninety-four thousand, thirteen".