100809353 has 2 divisors, whose sum is σ = 100809354. Its totient is φ = 100809352.

The previous prime is 100809341. The next prime is 100809409. The reversal of 100809353 is 353908001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76177984 + 24631369 = 8728^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 100809353 - 2¹⁰ = 100808329 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100809323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50404676 + 50404677.

It is an arithmetic number, because the mean of its divisors is an integer number (50404677).

Almost surely, 2^100809353 is an apocalyptic number.

It is an amenable number.

100809353 is a deficient number, since it is larger than the sum of its proper divisors (1).

100809353 is an equidigital number, since it uses as much as digits as its factorization.

100809353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 100809353 is about 10040.3860981538. The cubic root of 100809353 is about 465.4077481043.

The spelling of 100809353 in words is "one hundred million, eight hundred nine thousand, three hundred fifty-three".