520524232 has 32 divisors (see below), whose sum is σ = 986526720. Its totient is φ = 257463360.

The previous prime is 520524229. The next prime is 520524259. The reversal of 520524232 is 232425025.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 520524197 and 520524206.

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 7 ways as a sum of consecutive naturals, for example, 549183 + ... + 550129.

It is an arithmetic number, because the mean of its divisors is an integer number (30828960).

Almost surely, 2^520524232 is an apocalyptic number.

It is an amenable number.

520524232 is a deficient number, since it is larger than the sum of its proper divisors (466002488).

520524232 is a wasteful number, since it uses less digits than its factorization.

520524232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 520524232 is about 22815.0001534078. Note that the first 3 decimals coincide. The cubic root of 520524232 is about 804.4152908443.

Adding to 520524232 its reverse (232425025), we get a palindrome (752949257).

The spelling of 520524232 in words is "five hundred twenty million, five hundred twenty-four thousand, two hundred thirty-two".