100803709 has 2 divisors, whose sum is σ = 100803710. Its totient is φ = 100803708.

The previous prime is 100803697. The next prime is 100803821. The reversal of 100803709 is 907308001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99560484 + 1243225 = 9978^2 + 1115^2 .

It is an emirp because it is prime and its reverse (907308001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100803709 - 2¹¹ = 100801661 is a prime.

It is a super-2 number, since 2×100803709² = 20322775496313362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100807709) 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, 50401854 + 50401855.

It is an arithmetic number, because the mean of its divisors is an integer number (50401855).

Almost surely, 2^100803709 is an apocalyptic number.

It is an amenable number.

100803709 is a deficient number, since it is larger than the sum of its proper divisors (1).

100803709 is an equidigital number, since it uses as much as digits as its factorization.

100803709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 100803709 is about 10040.1050293311. The cubic root of 100803709 is about 465.3990623681.

The spelling of 100803709 in words is "one hundred million, eight hundred three thousand, seven hundred nine".