520451212 has 24 divisors (see below), whose sum is σ = 936274752. Its totient is φ = 252988800.

The previous prime is 520451203. The next prime is 520451353. The reversal of 520451212 is 212154025.

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, 42637 + ... + 53467.

It is an arithmetic number, because the mean of its divisors is an integer number (39011448).

Almost surely, 2^520451212 is an apocalyptic number.

It is an amenable number.

520451212 is a deficient number, since it is larger than the sum of its proper divisors (415823540).

520451212 is a wasteful number, since it uses less digits than its factorization.

520451212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11169 (or 11167 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 520451212 is about 22813.3998343079. The cubic root of 520451212 is about 804.3776741829.

The spelling of 520451212 in words is "five hundred twenty million, four hundred fifty-one thousand, two hundred twelve".