522305401035252 has 12 divisors (see below), whose sum is σ = 1218712602415616. Its totient is φ = 174101800345080.

The previous prime is 522305401035179. The next prime is 522305401035317. The reversal of 522305401035252 is 252530104503225.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 522305401035252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21762725043124 + ... + 21762725043147.

Almost surely, 2^{522305401035252} is an apocalyptic number.

It is an amenable number.

522305401035252 is an abundant number, since it is smaller than the sum of its proper divisors (696407201380364).

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

522305401035252 is a wasteful number, since it uses less digits than its factorization.

522305401035252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43525450086278 (or 43525450086276 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 522305401035252 its reverse (252530104503225), we get a palindrome (774835505538477).

The spelling of 522305401035252 in words is "five hundred twenty-two trillion, three hundred five billion, four hundred one million, thirty-five thousand, two hundred fifty-two".