517201161 has 16 divisors (see below), whose sum is σ = 727678080. Its totient is φ = 326099840.

The previous prime is 517201121. The next prime is 517201169. The reversal of 517201161 is 161102715.

It is a cyclic number.

It is not a de Polignac number, because 517201161 - 2¹¹ = 517199113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (517201169) 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 in 15 ways as a sum of consecutive naturals, for example, 35970 + ... + 48251.

It is an arithmetic number, because the mean of its divisors is an integer number (45479880).

Almost surely, 2^517201161 is an apocalyptic number.

It is an amenable number.

517201161 is a deficient number, since it is larger than the sum of its proper divisors (210476919).

517201161 is a wasteful number, since it uses less digits than its factorization.

517201161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84336.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 517201161 is about 22742.0570969295. The cubic root of 517201161 is about 802.6998165099.

Adding to 517201161 its reverse (161102715), we get a palindrome (678303876).

The spelling of 517201161 in words is "five hundred seventeen million, two hundred one thousand, one hundred sixty-one".