50013251 has 2 divisors, whose sum is σ = 50013252. Its totient is φ = 50013250.

The previous prime is 50013239. The next prime is 50013347. The reversal of 50013251 is 15231005.

50013251 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50013251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50013211) 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, 25006625 + 25006626.

It is an arithmetic number, because the mean of its divisors is an integer number (25006626).

Almost surely, 2^50013251 is an apocalyptic number.

50013251 is a deficient number, since it is larger than the sum of its proper divisors (1).

50013251 is an equidigital number, since it uses as much as digits as its factorization.

50013251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 50013251 is about 7072.0047369894. The cubic root of 50013251 is about 368.4356917237.

Adding to 50013251 its reverse (15231005), we get a palindrome (65244256).

The spelling of 50013251 in words is "fifty million, thirteen thousand, two hundred fifty-one".