10238009 has 2 divisors, whose sum is σ = 10238010. Its totient is φ = 10238008.

The previous prime is 10238003. The next prime is 10238023. The reversal of 10238009 is 90083201.

10238009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6250000 + 3988009 = 2500^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 10238009 - 2⁴ = 10237993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10238003) 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, 5119004 + 5119005.

It is an arithmetic number, because the mean of its divisors is an integer number (5119005).

Almost surely, 2^10238009 is an apocalyptic number.

It is an amenable number.

10238009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10238009 is an equidigital number, since it uses as much as digits as its factorization.

10238009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10238009 is about 3199.6888911268. The cubic root of 10238009 is about 217.1393344428.

The spelling of 10238009 in words is "ten million, two hundred thirty-eight thousand, nine".