50000017 has 2 divisors, whose sum is σ = 50000018.
Its totient is φ = 50000016.
The previous prime is 49999991. The next prime is 50000021. The reversal of 50000017 is 71000005.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26224641 + 23775376 = 5121^2 + 4876^2
It is a cyclic number.
It is not a de Polignac number, because 50000017 - 215 = 49967249 is a prime.
It is equal to p3001135 and since 50000017 and 3001135 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 49999961 and 50000006.
It is not a weakly prime, because it can be changed into another prime (50000047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000008 + 25000009.
It is an arithmetic number, because the mean of its divisors is an integer number (25000009).
Almost surely, 250000017 is an apocalyptic number.
It is an amenable number.
50000017 is a deficient number, since it is larger than the sum of its proper divisors (1).
50000017 is an equidigital number, since it uses as much as digits as its factorization.
50000017 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 35, while the sum is 13.
The square root of 50000017 is about 7071.0690139469.
The cubic root of 50000017 is about 368.4031916164.
The spelling of 50000017 in words is "fifty million, seventeen", and thus it is an aban number and an uban number.