522515054254252 has 48 divisors (see below), whose sum is σ = 924095065525632. Its totient is φ = 258499804259840.

The previous prime is 522515054254229. The next prime is 522515054254253. The reversal of 522515054254252 is 252452450515225.

It is a happy number.

It is a super-2 number, since 2×522515054254252² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 522515054254196 and 522515054254205.

It is not an unprimeable number, because it can be changed into a prime (522515054254253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702143843 + ... + 1702450789.

It is an arithmetic number, because the mean of its divisors is an integer number (19251980531784).

Almost surely, 2^{522515054254252} is an apocalyptic number.

It is an amenable number.

522515054254252 is a deficient number, since it is larger than the sum of its proper divisors (401580011271380).

522515054254252 is a wasteful number, since it uses less digits than its factorization.

522515054254252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316638 (or 316636 counting only the distinct ones).

The product of its (nonzero) digits is 8000000, while the sum is 49.

The spelling of 522515054254252 in words is "five hundred twenty-two trillion, five hundred fifteen billion, fifty-four million, two hundred fifty-four thousand, two hundred fifty-two".