8100709 has 2 divisors, whose sum is σ = 8100710. Its totient is φ = 8100708.

The previous prime is 8100689. The next prime is 8100713. The reversal of 8100709 is 9070018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8008900 + 91809 = 2830^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 8100709 - 2¹¹ = 8098661 is a prime.

8100709 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8170709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050354 + 4050355.

It is an arithmetic number, because the mean of its divisors is an integer number (4050355).

Almost surely, 2^8100709 is an apocalyptic number.

It is an amenable number.

8100709 is a deficient number, since it is larger than the sum of its proper divisors (1).

8100709 is an equidigital number, since it uses as much as digits as its factorization.

8100709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 8100709 is about 2846.1744500294. The cubic root of 8100709 is about 200.8357444582.

The spelling of 8100709 in words is "eight million, one hundred thousand, seven hundred nine".