517481312 has 48 divisors (see below), whose sum is σ = 1033224192. Its totient is φ = 255104640.

The previous prime is 517481311. The next prime is 517481317. The reversal of 517481312 is 213184715.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517481311) by changing a digit.

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, 905987 + ... + 906557.

It is an arithmetic number, because the mean of its divisors is an integer number (21525504).

Almost surely, 2^517481312 is an apocalyptic number.

It is an amenable number.

517481312 is a deficient number, since it is larger than the sum of its proper divisors (515742880).

517481312 is a wasteful number, since it uses less digits than its factorization.

517481312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 923 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 517481312 is about 22748.2155783701. The cubic root of 517481312 is about 802.8447224527.

The spelling of 517481312 in words is "five hundred seventeen million, four hundred eighty-one thousand, three hundred twelve".