103969309 has 2 divisors, whose sum is σ = 103969310. Its totient is φ = 103969308.

The previous prime is 103969303. The next prime is 103969337. The reversal of 103969309 is 903969301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86304100 + 17665209 = 9290^2 + 4203^2 .

It is an emirp because it is prime and its reverse (903969301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103969309 - 2⁵ = 103969277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103969303) 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, 51984654 + 51984655.

It is an arithmetic number, because the mean of its divisors is an integer number (51984655).

Almost surely, 2^103969309 is an apocalyptic number.

It is an amenable number.

103969309 is a deficient number, since it is larger than the sum of its proper divisors (1).

103969309 is an equidigital number, since it uses as much as digits as its factorization.

103969309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 103969309 is about 10196.5341660782. The cubic root of 103969309 is about 470.2206734975.

The spelling of 103969309 in words is "one hundred three million, nine hundred sixty-nine thousand, three hundred nine".