520535828 has 24 divisors (see below), whose sum is σ = 923653920. Its totient is φ = 256646880.

The previous prime is 520535809. The next prime is 520535833. The reversal of 520535828 is 828535025.

It is a junction number, because it is equal to n+sod(n) for n = 520535791 and 520535800.

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, 228278 + ... + 230546.

It is an arithmetic number, because the mean of its divisors is an integer number (38485580).

Almost surely, 2^520535828 is an apocalyptic number.

It is an amenable number.

520535828 is a deficient number, since it is larger than the sum of its proper divisors (403118092).

520535828 is a wasteful number, since it uses less digits than its factorization.

520535828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 520535828 is about 22815.2542830449. The cubic root of 520535828 is about 804.4212642649.

The spelling of 520535828 in words is "five hundred twenty million, five hundred thirty-five thousand, eight hundred twenty-eight".