517701241 has 2 divisors, whose sum is σ = 517701242. Its totient is φ = 517701240.

The previous prime is 517701211. The next prime is 517701293. The reversal of 517701241 is 142107715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462422016 + 55279225 = 21504^2 + 7435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-517701241 is a prime.

It is not a weakly prime, because it can be changed into another prime (517701211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258850620 + 258850621.

It is an arithmetic number, because the mean of its divisors is an integer number (258850621).

Almost surely, 2^517701241 is an apocalyptic number.

It is an amenable number.

517701241 is a deficient number, since it is larger than the sum of its proper divisors (1).

517701241 is an equidigital number, since it uses as much as digits as its factorization.

517701241 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 517701241 is about 22753.0490484243. The cubic root of 517701241 is about 802.9584423913.

Adding to 517701241 its reverse (142107715), we get a palindrome (659808956).

The spelling of 517701241 in words is "five hundred seventeen million, seven hundred one thousand, two hundred forty-one".