578521212 has 24 divisors (see below), whose sum is σ = 1352262912. Its totient is φ = 192500400.

The previous prime is 578521199. The next prime is 578521213. The reversal of 578521212 is 212125875.

578521212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578521213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35364 + ... + 49067.

It is an arithmetic number, because the mean of its divisors is an integer number (56344288).

Almost surely, 2^578521212 is an apocalyptic number.

It is an amenable number.

578521212 is an abundant number, since it is smaller than the sum of its proper divisors (773741700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

578521212 is a wasteful number, since it uses less digits than its factorization.

578521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85009 (or 85007 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 578521212 is about 24052.4678983259. The cubic root of 578521212 is about 833.2457281063.

The spelling of 578521212 in words is "five hundred seventy-eight million, five hundred twenty-one thousand, two hundred twelve".