528320041 has 2 divisors, whose sum is σ = 528320042. Its totient is φ = 528320040.

The previous prime is 528319993. The next prime is 528320069. The reversal of 528320041 is 140023825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415344400 + 112975641 = 20380^2 + 10629^2 .

It is a cyclic number.

It is not a de Polignac number, because 528320041 - 2²¹ = 526222889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 528319988 and 528320015.

It is not a weakly prime, because it can be changed into another prime (528320341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264160020 + 264160021.

It is an arithmetic number, because the mean of its divisors is an integer number (264160021).

Almost surely, 2^528320041 is an apocalyptic number.

It is an amenable number.

528320041 is a deficient number, since it is larger than the sum of its proper divisors (1).

528320041 is an equidigital number, since it uses as much as digits as its factorization.

528320041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 528320041 is about 22985.2135295716. The cubic root of 528320041 is about 808.4112744864.

Adding to 528320041 its reverse (140023825), we get a palindrome (668343866).

The spelling of 528320041 in words is "five hundred twenty-eight million, three hundred twenty thousand, forty-one".