50203409 has 2 divisors, whose sum is σ = 50203410. Its totient is φ = 50203408.

The previous prime is 50203399. The next prime is 50203451. The reversal of 50203409 is 90430205.

50203409 is digitally balanced in base 2, 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., 49000000 + 1203409 = 7000^2 + 1097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50203409 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 (50203459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25101704 + 25101705.

It is an arithmetic number, because the mean of its divisors is an integer number (25101705).

Almost surely, 2^50203409 is an apocalyptic number.

It is an amenable number.

50203409 is a deficient number, since it is larger than the sum of its proper divisors (1).

50203409 is an equidigital number, since it uses as much as digits as its factorization.

50203409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 50203409 is about 7085.4364015211. The cubic root of 50203409 is about 368.9020507103.

The spelling of 50203409 in words is "fifty million, two hundred three thousand, four hundred nine".