517171149 has 40 divisors (see below), whose sum is σ = 846841248. Its totient is φ = 311934240.

The previous prime is 517171147. The next prime is 517171153. The reversal of 517171149 is 941171715.

It is not a de Polignac number, because 517171149 - 2¹ = 517171147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517171141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 200979 + ... + 203535.

Almost surely, 2^517171149 is an apocalyptic number.

It is an amenable number.

517171149 is a deficient number, since it is larger than the sum of its proper divisors (329670099).

517171149 is a wasteful number, since it uses less digits than its factorization.

517171149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2798 counting only the distinct ones).

The product of its digits is 8820, while the sum is 36.

The square root of 517171149 is about 22741.3972525876. The cubic root of 517171149 is about 802.6842899316.

The spelling of 517171149 in words is "five hundred seventeen million, one hundred seventy-one thousand, one hundred forty-nine".