522493252 has 6 divisors (see below), whose sum is σ = 914363198. Its totient is φ = 261246624.

The previous prime is 522493247. The next prime is 522493253. The reversal of 522493252 is 252394225.

It can be written as a sum of positive squares in only one way, i.e., 521939716 + 553536 = 22846^2 + 744^2 .

It is not an unprimeable number, because it can be changed into a prime (522493253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65311653 + ... + 65311660.

Almost surely, 2^522493252 is an apocalyptic number.

It is an amenable number.

522493252 is a deficient number, since it is larger than the sum of its proper divisors (391869946).

522493252 is a wasteful number, since it uses less digits than its factorization.

522493252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130623317 (or 130623315 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 522493252 is about 22858.1112955555. Note that the first 3 decimals coincide. The cubic root of 522493252 is about 805.4283188009.

The spelling of 522493252 in words is "five hundred twenty-two million, four hundred ninety-three thousand, two hundred fifty-two".