522544404445225 has 12 divisors (see below), whose sum is σ = 647963130268060. Its totient is φ = 418030317907200.

The previous prime is 522544404445213. The next prime is 522544404445279.

522544404445225 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 38759452552681 + 483784951892544 = 6225709^2 + 21995112^2 .

It is not a de Polignac number, because 522544404445225 - 2³¹ = 522542256961577 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128092836 + ... + 132109285.

Almost surely, 2^{522544404445225} is an apocalyptic number.

It is an amenable number.

522544404445225 is a deficient number, since it is larger than the sum of its proper divisors (125418725822835).

522544404445225 is a wasteful number, since it uses less digits than its factorization.

522544404445225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260282460 (or 260282455 counting only the distinct ones).

The product of its (nonzero) digits is 40960000, while the sum is 52.

It can be divided in two parts, 52254440 and 4445225, that added together give a palindrome (56699665).

The spelling of 522544404445225 in words is "five hundred twenty-two trillion, five hundred forty-four billion, four hundred four million, four hundred forty-five thousand, two hundred twenty-five".