50031217 has 2 divisors, whose sum is σ = 50031218. Its totient is φ = 50031216.

The previous prime is 50031203. The next prime is 50031227. The reversal of 50031217 is 71213005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27029601 + 23001616 = 5199^2 + 4796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50031217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50031194 and 50031203.

It is not a weakly prime, because it can be changed into another prime (50031227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25015608 + 25015609.

It is an arithmetic number, because the mean of its divisors is an integer number (25015609).

Almost surely, 2^50031217 is an apocalyptic number.

It is an amenable number.

50031217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50031217 is an equidigital number, since it uses as much as digits as its factorization.

50031217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 50031217 is about 7073.2748426737. The cubic root of 50031217 is about 368.4798035211.

The spelling of 50031217 in words is "fifty million, thirty-one thousand, two hundred seventeen".