517242071 has 8 divisors (see below), whose sum is σ = 522412800. Its totient is φ = 512097120.

The previous prime is 517242031. The next prime is 517242079. The reversal of 517242071 is 170242715.

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 517242071 - 2⁶ = 517242007 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 (517242079) 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, 35210 + ... + 47688.

It is an arithmetic number, because the mean of its divisors is an integer number (65301600).

Almost surely, 2^517242071 is an apocalyptic number.

517242071 is a deficient number, since it is larger than the sum of its proper divisors (5170729).

517242071 is a wasteful number, since it uses less digits than its factorization.

517242071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 517242071 is about 22742.9565140507. The cubic root of 517242071 is about 802.7209801539.

Adding to 517242071 its reverse (170242715), we get a palindrome (687484786).

The spelling of 517242071 in words is "five hundred seventeen million, two hundred forty-two thousand, seventy-one".