50421263 has 2 divisors, whose sum is σ = 50421264. Its totient is φ = 50421262.

The previous prime is 50421229. The next prime is 50421299. The reversal of 50421263 is 36212405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50421263 - 2⁶ = 50421199 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 (50421463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210631 + 25210632.

It is an arithmetic number, because the mean of its divisors is an integer number (25210632).

Almost surely, 2^50421263 is an apocalyptic number.

50421263 is a deficient number, since it is larger than the sum of its proper divisors (1).

50421263 is an equidigital number, since it uses as much as digits as its factorization.

50421263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 50421263 is about 7100.7931247150. The cubic root of 50421263 is about 369.4348884851.

Adding to 50421263 its reverse (36212405), we get a palindrome (86633668).

The spelling of 50421263 in words is "fifty million, four hundred twenty-one thousand, two hundred sixty-three".