520533212 has 24 divisors (see below), whose sum is σ = 944986560. Its totient is φ = 250698240.

The previous prime is 520533203. The next prime is 520533227. The reversal of 520533212 is 212335025.

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, 7133 + ... + 33044.

It is an arithmetic number, because the mean of its divisors is an integer number (39374440).

Almost surely, 2^520533212 is an apocalyptic number.

It is an amenable number.

520533212 is a deficient number, since it is larger than the sum of its proper divisors (424453348).

520533212 is a wasteful number, since it uses less digits than its factorization.

520533212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40301 (or 40299 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 520533212 is about 22815.1969529084. The cubic root of 520533212 is about 804.4199166986.

Adding to 520533212 its reverse (212335025), we get a palindrome (732868237).

The spelling of 520533212 in words is "five hundred twenty million, five hundred thirty-three thousand, two hundred twelve".