522623012 has 6 divisors (see below), whose sum is σ = 914590278. Its totient is φ = 261311504.

The previous prime is 522623011. The next prime is 522623021. The reversal of 522623012 is 210326225.

It can be written as a sum of positive squares in only one way, i.e., 474542656 + 48080356 = 21784^2 + 6934^2 .

It is not an unprimeable number, because it can be changed into a prime (522623011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65327873 + ... + 65327880.

It is an arithmetic number, because the mean of its divisors is an integer number (152431713).

Almost surely, 2^522623012 is an apocalyptic number.

It is an amenable number.

522623012 is a deficient number, since it is larger than the sum of its proper divisors (391967266).

522623012 is a wasteful number, since it uses less digits than its factorization.

522623012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130655757 (or 130655755 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 522623012 is about 22860.9494990912. The cubic root of 522623012 is about 805.4949887069.

Adding to 522623012 its reverse (210326225), we get a palindrome (732949237).

The spelling of 522623012 in words is "five hundred twenty-two million, six hundred twenty-three thousand, twelve".