528336464633825 has 6 divisors (see below), whose sum is σ = 655137216145974. Its totient is φ = 422669171707040.

The previous prime is 528336464633821. The next prime is 528336464633827.

It is a happy number.

528336464633825 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 78424556023696 + 449911908610129 = 8855764^2 + 21211127^2 .

It is not a de Polignac number, because 528336464633825 - 2² = 528336464633821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528336464633821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10566729292652 + ... + 10566729292701.

It is an arithmetic number, because the mean of its divisors is an integer number (109189536024329).

Almost surely, 2^{528336464633825} is an apocalyptic number.

It is an amenable number.

528336464633825 is a deficient number, since it is larger than the sum of its proper divisors (126800751512149).

528336464633825 is a wasteful number, since it uses less digits than its factorization.

528336464633825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21133458585363 (or 21133458585358 counting only the distinct ones).

The product of its digits is 1791590400, while the sum is 68.

The spelling of 528336464633825 in words is "five hundred twenty-eight trillion, three hundred thirty-six billion, four hundred sixty-four million, six hundred thirty-three thousand, eight hundred twenty-five".