349704013 has 2 divisors, whose sum is σ = 349704014. Its totient is φ = 349704012.

The previous prime is 349703989. The next prime is 349704031. The reversal of 349704013 is 310407943.

Together with next prime (349704031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269386569 + 80317444 = 16413^2 + 8962^2 .

It is an emirp because it is prime and its reverse (310407943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349704013 - 2¹³ = 349695821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349704073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174852006 + 174852007.

It is an arithmetic number, because the mean of its divisors is an integer number (174852007).

Almost surely, 2^349704013 is an apocalyptic number.

It is an amenable number.

349704013 is a deficient number, since it is larger than the sum of its proper divisors (1).

349704013 is an equidigital number, since it uses as much as digits as its factorization.

349704013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 349704013 is about 18700.3746753909. The cubic root of 349704013 is about 704.5311591981.

It can be divided in two parts, 34970 and 4013, that added together give a palindrome (38983).

The spelling of 349704013 in words is "three hundred forty-nine million, seven hundred four thousand, thirteen".