517027397 has 2 divisors, whose sum is σ = 517027398. Its totient is φ = 517027396.

The previous prime is 517027387. The next prime is 517027417. The reversal of 517027397 is 793720715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414896161 + 102131236 = 20369^2 + 10106^2 .

It is a cyclic number.

It is not a de Polignac number, because 517027397 - 2⁶ = 517027333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517027337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258513698 + 258513699.

It is an arithmetic number, because the mean of its divisors is an integer number (258513699).

Almost surely, 2^517027397 is an apocalyptic number.

It is an amenable number.

517027397 is a deficient number, since it is larger than the sum of its proper divisors (1).

517027397 is an equidigital number, since it uses as much as digits as its factorization.

517027397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 517027397 is about 22738.2364531641. The cubic root of 517027397 is about 802.6099121266.

The spelling of 517027397 in words is "five hundred seventeen million, twenty-seven thousand, three hundred ninety-seven".