50340421 has 2 divisors, whose sum is σ = 50340422. Its totient is φ = 50340420.

The previous prime is 50340419. The next prime is 50340427. The reversal of 50340421 is 12404305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30404196 + 19936225 = 5514^2 + 4465^2 .

It is a cyclic number.

It is not a de Polignac number, because 50340421 - 2¹ = 50340419 is a prime.

Together with 50340419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50340427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25170210 + 25170211.

It is an arithmetic number, because the mean of its divisors is an integer number (25170211).

Almost surely, 2^50340421 is an apocalyptic number.

It is an amenable number.

50340421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50340421 is an equidigital number, since it uses as much as digits as its factorization.

50340421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 50340421 is about 7095.0983784582. The cubic root of 50340421 is about 369.2373406694.

Adding to 50340421 its reverse (12404305), we get a palindrome (62744726).

The spelling of 50340421 in words is "fifty million, three hundred forty thousand, four hundred twenty-one".