10305709 has 2 divisors, whose sum is σ = 10305710. Its totient is φ = 10305708.

The previous prime is 10305703. The next prime is 10305749. The reversal of 10305709 is 90750301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 850084 = 3075^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 10305709 - 2²³ = 1917101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10305703) 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, 5152854 + 5152855.

It is an arithmetic number, because the mean of its divisors is an integer number (5152855).

Almost surely, 2^10305709 is an apocalyptic number.

It is an amenable number.

10305709 is a deficient number, since it is larger than the sum of its proper divisors (1).

10305709 is an equidigital number, since it uses as much as digits as its factorization.

10305709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 10305709 is about 3210.2506132699. The cubic root of 10305709 is about 217.6169028487.

The spelling of 10305709 in words is "ten million, three hundred five thousand, seven hundred nine".