522143652 has 24 divisors (see below), whose sum is σ = 1238309632. Its totient is φ = 171194400.

The previous prime is 522143641. The next prime is 522143683. The reversal of 522143652 is 256341225.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 355924 + ... + 357387.

Almost surely, 2^522143652 is an apocalyptic number.

It is an amenable number.

522143652 is an abundant number, since it is smaller than the sum of its proper divisors (716165980).

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

522143652 is a wasteful number, since it uses less digits than its factorization.

522143652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713379 (or 713377 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 522143652 is about 22850.4628399514. The cubic root of 522143652 is about 805.2486414789.

Adding to 522143652 its reverse (256341225), we get a palindrome (778484877).

The spelling of 522143652 in words is "five hundred twenty-two million, one hundred forty-three thousand, six hundred fifty-two".