572825644671321 has 6 divisors (see below), whose sum is σ = 827414820080810. Its totient is φ = 381883763114208.

The previous prime is 572825644671311. The next prime is 572825644671361. The reversal of 572825644671321 is 123176446528275.

572825644671321 is a `hidden beast` number, since 5 + 7 + 2 + 8 + 2 + 56 + 446 + 7 + 132 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 399053560505625 + 173772084165696 = 19976325^2 + 13182264^2 .

It is not a de Polignac number, because 572825644671321 - 2¹⁰ = 572825644670297 is a prime.

It is a super-2 number, since 2×572825644671321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (572825644671311) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 31823646926176 + ... + 31823646926193.

Almost surely, 2^{572825644671321} is an apocalyptic number.

It is an amenable number.

572825644671321 is a deficient number, since it is larger than the sum of its proper divisors (254589175409489).

572825644671321 is a wasteful number, since it uses less digits than its factorization.

572825644671321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63647293852375 (or 63647293852372 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 63.

The spelling of 572825644671321 in words is "five hundred seventy-two trillion, eight hundred twenty-five billion, six hundred forty-four million, six hundred seventy-one thousand, three hundred twenty-one".