522413500 has 72 divisors (see below), whose sum is σ = 1327291056. Its totient is φ = 179104800.

The previous prime is 522413461. The next prime is 522413501. The reversal of 522413500 is 5314225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522413501) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13839 + ... + 35161.

It is an arithmetic number, because the mean of its divisors is an integer number (18434598).

Almost surely, 2^522413500 is an apocalyptic number.

522413500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522413500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663645528).

522413500 is an abundant number, since it is smaller than the sum of its proper divisors (804877556).

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

522413500 is a wasteful number, since it uses less digits than its factorization.

522413500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21356 (or 21337 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 522413500 is about 22856.3667278944. The cubic root of 522413500 is about 805.3873372268.

Adding to 522413500 its reverse (5314225), we get a palindrome (527727725).

The spelling of 522413500 in words is "five hundred twenty-two million, four hundred thirteen thousand, five hundred".