522136252 has 24 divisors (see below), whose sum is σ = 1006492032. Its totient is φ = 235028400.

The previous prime is 522136183. The next prime is 522136261. The reversal of 522136252 is 252631225.

It is a self number, because there is not a number n which added to its sum of digits gives 522136252.

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, 53074 + ... + 62137.

It is an arithmetic number, because the mean of its divisors is an integer number (41937168).

Almost surely, 2^522136252 is an apocalyptic number.

It is an amenable number.

522136252 is a deficient number, since it is larger than the sum of its proper divisors (484355780).

522136252 is a wasteful number, since it uses less digits than its factorization.

522136252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115329 (or 115327 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 522136252 is about 22850.3009170558. The cubic root of 522136252 is about 805.2448373737.

Adding to 522136252 its reverse (252631225), we get a palindrome (774767477).

The spelling of 522136252 in words is "five hundred twenty-two million, one hundred thirty-six thousand, two hundred fifty-two".