10050209 has 4 divisors (see below), whose sum is σ = 10823316. Its totient is φ = 9277104.

The previous prime is 10050203. The next prime is 10050217. The reversal of 10050209 is 90205001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90205001 = 37 ⋅2437973.

It can be written as a sum of positive squares in 2 ways, for example, as 6451600 + 3598609 = 2540^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 10050209 - 2⁸ = 10049953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10050203) 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 in 3 ways as a sum of consecutive naturals, for example, 386534 + ... + 386559.

It is an arithmetic number, because the mean of its divisors is an integer number (2705829).

Almost surely, 2^10050209 is an apocalyptic number.

It is an amenable number.

10050209 is a deficient number, since it is larger than the sum of its proper divisors (773107).

10050209 is an equidigital number, since it uses as much as digits as its factorization.

10050209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773106.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 10050209 is about 3170.2064601537. The cubic root of 10050209 is about 215.8034405844.

The spelling of 10050209 in words is "ten million, fifty thousand, two hundred nine".