34349813 has 2 divisors, whose sum is σ = 34349814. Its totient is φ = 34349812.

The previous prime is 34349807. The next prime is 34349831. The reversal of 34349813 is 31894343.

Together with next prime (34349831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28976689 + 5373124 = 5383^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 34349813 - 2²⁰ = 33301237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34345813) 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, 17174906 + 17174907.

It is an arithmetic number, because the mean of its divisors is an integer number (17174907).

Almost surely, 2^34349813 is an apocalyptic number.

It is an amenable number.

34349813 is a deficient number, since it is larger than the sum of its proper divisors (1).

34349813 is an equidigital number, since it uses as much as digits as its factorization.

34349813 is an odious number, because the sum of its binary digits is odd.

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

The square root of 34349813 is about 5860.8713515995. The cubic root of 34349813 is about 325.0684289837.

The spelling of 34349813 in words is "thirty-four million, three hundred forty-nine thousand, eight hundred thirteen".