50020247 has 2 divisors, whose sum is σ = 50020248. Its totient is φ = 50020246.

The previous prime is 50020237. The next prime is 50020249. The reversal of 50020247 is 74202005.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50020247 is a prime.

Together with 50020249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50020249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25010123 + 25010124.

It is an arithmetic number, because the mean of its divisors is an integer number (25010124).

Almost surely, 2^50020247 is an apocalyptic number.

50020247 is a deficient number, since it is larger than the sum of its proper divisors (1).

50020247 is an equidigital number, since it uses as much as digits as its factorization.

50020247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 50020247 is about 7072.4993460586. The cubic root of 50020247 is about 368.4528702106.

The spelling of 50020247 in words is "fifty million, twenty thousand, two hundred forty-seven".