517144109 has 8 divisors (see below), whose sum is σ = 547129440. Its totient is φ = 487435536.

The previous prime is 517144091. The next prime is 517144129. The reversal of 517144109 is 901441715.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 517144109 - 2²⁸ = 248708653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517144129) 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 7 ways as a sum of consecutive naturals, for example, 65339 + ... + 72824.

It is an arithmetic number, because the mean of its divisors is an integer number (68391180).

Almost surely, 2^517144109 is an apocalyptic number.

It is an amenable number.

517144109 is a deficient number, since it is larger than the sum of its proper divisors (29985331).

517144109 is a wasteful number, since it uses less digits than its factorization.

517144109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138379.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 517144109 is about 22740.8027342924. The cubic root of 517144109 is about 802.6703003903.

The spelling of 517144109 in words is "five hundred seventeen million, one hundred forty-four thousand, one hundred nine".