522043252 has 6 divisors (see below), whose sum is σ = 913575698. Its totient is φ = 261021624.

The previous prime is 522043219. The next prime is 522043309. The reversal of 522043252 is 252340225.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 356303376 + 165739876 = 18876^2 + 12874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65255403 + ... + 65255410.

Almost surely, 2^522043252 is an apocalyptic number.

It is an amenable number.

522043252 is a deficient number, since it is larger than the sum of its proper divisors (391532446).

522043252 is a wasteful number, since it uses less digits than its factorization.

522043252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130510817 (or 130510815 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 522043252 is about 22848.2658422910. The cubic root of 522043252 is about 805.1970259604.

Adding to 522043252 its reverse (252340225), we get a palindrome (774383477).

The spelling of 522043252 in words is "five hundred twenty-two million, forty-three thousand, two hundred fifty-two".