522251505430225 has 12 divisors (see below), whose sum is σ = 647795448053980. Its totient is φ = 417669861556800.

The previous prime is 522251505430211. The next prime is 522251505430261. The reversal of 522251505430225 is 522034505152225.

It can be written as a sum of positive squares in 6 ways, for example, as 248867536087296 + 273383969342929 = 15775536^2 + 16534327^2 .

It is not a de Polignac number, because 522251505430225 - 2⁷ = 522251505430097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3283488570 + ... + 3283647619.

Almost surely, 2^{522251505430225} is an apocalyptic number.

It is an amenable number.

522251505430225 is a deficient number, since it is larger than the sum of its proper divisors (125543942623755).

522251505430225 is a wasteful number, since it uses less digits than its factorization.

522251505430225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567139380 (or 6567139375 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 522251505430225 in words is "five hundred twenty-two trillion, two hundred fifty-one billion, five hundred five million, four hundred thirty thousand, two hundred twenty-five".