1050172217 has 2 divisors, whose sum is σ = 1050172218. Its totient is φ = 1050172216.

The previous prime is 1050172177. The next prime is 1050172219. The reversal of 1050172217 is 7122710501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657973801 + 392198416 = 25651^2 + 19804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050172217 - 2⁸ = 1050171961 is a prime.

It is a super-2 number, since 2×1050172217² = 2205723370717390178, which contains 22 as substring.

Together with 1050172219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1050172219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525086108 + 525086109.

It is an arithmetic number, because the mean of its divisors is an integer number (525086109).

Almost surely, 2^1050172217 is an apocalyptic number.

It is an amenable number.

1050172217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050172217 is an equidigital number, since it uses as much as digits as its factorization.

1050172217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 1050172217 is about 32406.3607490875. The cubic root of 1050172217 is about 1016.4519222632.

Adding to 1050172217 its reverse (7122710501), we get a palindrome (8172882718).

The spelling of 1050172217 in words is "one billion, fifty million, one hundred seventy-two thousand, two hundred seventeen".