103713809 has 2 divisors, whose sum is σ = 103713810. Its totient is φ = 103713808.

The previous prime is 103713793. The next prime is 103713823. The reversal of 103713809 is 908317301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103530625 + 183184 = 10175^2 + 428^2 .

It is a cyclic number.

It is not a de Polignac number, because 103713809 - 2⁴ = 103713793 is a prime.

It is not a weakly prime, because it can be changed into another prime (103713839) 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, 51856904 + 51856905.

It is an arithmetic number, because the mean of its divisors is an integer number (51856905).

Almost surely, 2^103713809 is an apocalyptic number.

It is an amenable number.

103713809 is a deficient number, since it is larger than the sum of its proper divisors (1).

103713809 is an equidigital number, since it uses as much as digits as its factorization.

103713809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 103713809 is about 10183.9976924585. The cubic root of 103713809 is about 469.8351753414.

The spelling of 103713809 in words is "one hundred three million, seven hundred thirteen thousand, eight hundred nine".