50120251 has 2 divisors, whose sum is σ = 50120252. Its totient is φ = 50120250.

The previous prime is 50120177. The next prime is 50120263. The reversal of 50120251 is 15202105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50120251 - 2⁷ = 50120123 is a prime.

It is not a weakly prime, because it can be changed into another prime (50120281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25060125 + 25060126.

It is an arithmetic number, because the mean of its divisors is an integer number (25060126).

Almost surely, 2^50120251 is an apocalyptic number.

50120251 is a deficient number, since it is larger than the sum of its proper divisors (1).

50120251 is an equidigital number, since it uses as much as digits as its factorization.

50120251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 50120251 is about 7079.5657352694. The cubic root of 50120251 is about 368.6982523957.

Adding to 50120251 its reverse (15202105), we get a palindrome (65322356).

The spelling of 50120251 in words is "fifty million, one hundred twenty thousand, two hundred fifty-one".