103307909 has 2 divisors, whose sum is σ = 103307910. Its totient is φ = 103307908.

The previous prime is 103307863. The next prime is 103307917. The reversal of 103307909 is 909703301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102921025 + 386884 = 10145^2 + 622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103307909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103307209) 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, 51653954 + 51653955.

It is an arithmetic number, because the mean of its divisors is an integer number (51653955).

Almost surely, 2^103307909 is an apocalyptic number.

It is an amenable number.

103307909 is a deficient number, since it is larger than the sum of its proper divisors (1).

103307909 is an equidigital number, since it uses as much as digits as its factorization.

103307909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 103307909 is about 10164.0498326209. The cubic root of 103307909 is about 469.2214498476.

The spelling of 103307909 in words is "one hundred three million, three hundred seven thousand, nine hundred nine".