517289244 has 24 divisors (see below), whose sum is σ = 1224010368. Its totient is φ = 170000880.

The previous prime is 517289233. The next prime is 517289261. The reversal of 517289244 is 442982715.

It is a junction number, because it is equal to n+sod(n) for n = 517289196 and 517289205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302722 + ... + 304425.

It is an arithmetic number, because the mean of its divisors is an integer number (51000432).

Almost surely, 2^517289244 is an apocalyptic number.

It is an amenable number.

517289244 is an abundant number, since it is smaller than the sum of its proper divisors (706721124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517289244 is a wasteful number, since it uses less digits than its factorization.

517289244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607225 (or 607223 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 517289244 is about 22743.9935807237. The cubic root of 517289244 is about 802.7453824004.

It can be divided in two parts, 5172892 and 44, that added together give a triangular number (5172936 = T₃₂₁₆).

The spelling of 517289244 in words is "five hundred seventeen million, two hundred eighty-nine thousand, two hundred forty-four".