100433309 has 2 divisors, whose sum is σ = 100433310. Its totient is φ = 100433308.

The previous prime is 100433269. The next prime is 100433321. The reversal of 100433309 is 903334001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95981209 + 4452100 = 9797^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 100433309 - 2²⁴ = 83656093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100433329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50216654 + 50216655.

It is an arithmetic number, because the mean of its divisors is an integer number (50216655).

Almost surely, 2^100433309 is an apocalyptic number.

It is an amenable number.

100433309 is a deficient number, since it is larger than the sum of its proper divisors (1).

100433309 is an equidigital number, since it uses as much as digits as its factorization.

100433309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 100433309 is about 10021.6420311244. The cubic root of 100433309 is about 464.8283314360.

The spelling of 100433309 in words is "one hundred million, four hundred thirty-three thousand, three hundred nine".