520982343 has 24 divisors (see below), whose sum is σ = 868395008. Its totient is φ = 294810192.

The previous prime is 520982339. The next prime is 520982347. The reversal of 520982343 is 343289025.

520982343 is a `hidden beast` number, since 520 + 98 + 2 + 3 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (520982339) and next prime (520982347).

It is not a de Polignac number, because 520982343 - 2² = 520982339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520982298 and 520982307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520982347) 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 23 ways as a sum of consecutive naturals, for example, 33655 + ... + 46632.

Almost surely, 2^520982343 is an apocalyptic number.

520982343 is a deficient number, since it is larger than the sum of its proper divisors (347412665).

520982343 is a wasteful number, since it uses less digits than its factorization.

520982343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80403 (or 80400 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 520982343 is about 22825.0376341420. The cubic root of 520982343 is about 804.6512090559.

The spelling of 520982343 in words is "five hundred twenty million, nine hundred eighty-two thousand, three hundred forty-three".