517941842 has 8 divisors (see below), whose sum is σ = 847541232. Its totient is φ = 235428100.

The previous prime is 517941841. The next prime is 517941847. The reversal of 517941842 is 248149715.

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

It is a self number, because there is not a number n which added to its sum of digits gives 517941842.

It is not an unprimeable number, because it can be changed into a prime (517941841) 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 3 ways as a sum of consecutive naturals, for example, 11771384 + ... + 11771427.

It is an arithmetic number, because the mean of its divisors is an integer number (105942654).

Almost surely, 2^517941842 is an apocalyptic number.

517941842 is a deficient number, since it is larger than the sum of its proper divisors (329599390).

517941842 is a wasteful number, since it uses less digits than its factorization.

517941842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23542824.

The product of its digits is 80640, while the sum is 41.

The square root of 517941842 is about 22758.3356597094. The cubic root of 517941842 is about 803.0828144344.

The spelling of 517941842 in words is "five hundred seventeen million, nine hundred forty-one thousand, eight hundred forty-two".