517016842 has 16 divisors (see below), whose sum is σ = 785220480. Its totient is φ = 255284128.

The previous prime is 517016837. The next prime is 517016891. The reversal of 517016842 is 248610715.

It is a junction number, because it is equal to n+sod(n) for n = 517016798 and 517016807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210063 + ... + 212509.

It is an arithmetic number, because the mean of its divisors is an integer number (49076280).

Almost surely, 2^517016842 is an apocalyptic number.

517016842 is a deficient number, since it is larger than the sum of its proper divisors (268203638).

517016842 is a wasteful number, since it uses less digits than its factorization.

517016842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 517016842 is about 22738.0043539445. The cubic root of 517016842 is about 802.6044503881.

The spelling of 517016842 in words is "five hundred seventeen million, sixteen thousand, eight hundred forty-two".