517145936 has 20 divisors (see below), whose sum is σ = 1004558100. Its totient is φ = 257905152.

The previous prime is 517145917. The next prime is 517145953. The reversal of 517145936 is 639541715.

It can be written as a sum of positive squares in 2 ways, for example, as 48163600 + 468982336 = 6940^2 + 21656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 517145893 and 517145902.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 35321 + ... + 47768.

It is an arithmetic number, because the mean of its divisors is an integer number (50227905).

Almost surely, 2^517145936 is an apocalyptic number.

It is an amenable number.

517145936 is a deficient number, since it is larger than the sum of its proper divisors (487412164).

517145936 is a wasteful number, since it uses less digits than its factorization.

517145936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83486 (or 83480 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 517145936 is about 22740.8429043428. The cubic root of 517145936 is about 802.6712456310.

The spelling of 517145936 in words is "five hundred seventeen million, one hundred forty-five thousand, nine hundred thirty-six".