517101089 has 2 divisors, whose sum is σ = 517101090. Its totient is φ = 517101088.

The previous prime is 517101077. The next prime is 517101139. The reversal of 517101089 is 980101715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362521600 + 154579489 = 19040^2 + 12433^2 .

It is a cyclic number.

It is not a de Polignac number, because 517101089 - 2¹⁶ = 517035553 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (517104089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258550544 + 258550545.

It is an arithmetic number, because the mean of its divisors is an integer number (258550545).

Almost surely, 2^517101089 is an apocalyptic number.

It is an amenable number.

517101089 is a deficient number, since it is larger than the sum of its proper divisors (1).

517101089 is an equidigital number, since it uses as much as digits as its factorization.

517101089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 517101089 is about 22739.8568377200. The cubic root of 517101089 is about 802.6480423561.

The spelling of 517101089 in words is "five hundred seventeen million, one hundred one thousand, eighty-nine".