5202171217 has 2 divisors, whose sum is σ = 5202171218. Its totient is φ = 5202171216.

The previous prime is 5202171203. The next prime is 5202171223. The reversal of 5202171217 is 7121712025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3850947136 + 1351224081 = 62056^2 + 36759^2 .

It is a cyclic number.

It is not a de Polignac number, because 5202171217 - 2²⁷ = 5067953489 is a prime.

It is a super-2 number, since 2×5202171217² = 54125170741966522178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5202171817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601085608 + 2601085609.

It is an arithmetic number, because the mean of its divisors is an integer number (2601085609).

Almost surely, 2^5202171217 is an apocalyptic number.

It is an amenable number.

5202171217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5202171217 is an equidigital number, since it uses as much as digits as its factorization.

5202171217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 5202171217 is about 72126.0786193177. The cubic root of 5202171217 is about 1732.7193044462.

The spelling of 5202171217 in words is "five billion, two hundred two million, one hundred seventy-one thousand, two hundred seventeen".