50504213 has 2 divisors, whose sum is σ = 50504214. Its totient is φ = 50504212.

The previous prime is 50504191. The next prime is 50504219. The reversal of 50504213 is 31240505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32467204 + 18037009 = 5698^2 + 4247^2 .

It is a cyclic number.

It is not a de Polignac number, because 50504213 - 2¹² = 50500117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50504219) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252106 + 25252107.

It is an arithmetic number, because the mean of its divisors is an integer number (25252107).

Almost surely, 2^50504213 is an apocalyptic number.

It is an amenable number.

50504213 is a deficient number, since it is larger than the sum of its proper divisors (1).

50504213 is an equidigital number, since it uses as much as digits as its factorization.

50504213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50504213 is about 7106.6316212394. The cubic root of 50504213 is about 369.6373681047.

Adding to 50504213 its reverse (31240505), we get a palindrome (81744718).

The spelling of 50504213 in words is "fifty million, five hundred four thousand, two hundred thirteen".