523020212 has 24 divisors (see below), whose sum is σ = 1075301472. Its totient is φ = 219448800.

The previous prime is 523020209. The next prime is 523020221. The reversal of 523020212 is 212020325.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 456614 + ... + 457757.

It is an arithmetic number, because the mean of its divisors is an integer number (44804228).

Almost surely, 2^523020212 is an apocalyptic number.

523020212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

523020212 is an abundant number, since it is smaller than the sum of its proper divisors (552281260).

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

523020212 is a wasteful number, since it uses less digits than its factorization.

523020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914399 (or 914397 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 523020212 is about 22869.6351523150. The cubic root of 523020212 is about 805.6989991076.

Adding to 523020212 its reverse (212020325), we get a palindrome (735040537).

It can be divided in two parts, 52 and 3020212, that multiplied together give a square (157051024 = 12532²).

The spelling of 523020212 in words is "five hundred twenty-three million, twenty thousand, two hundred twelve".