528247 has 2 divisors, whose sum is σ = 528248. Its totient is φ = 528246.

The previous prime is 528223. The next prime is 528263. The reversal of 528247 is 742825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528247 - 2¹¹ = 526199 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264123 + 264124.

It is an arithmetic number, because the mean of its divisors is an integer number (264124).

2⁵²⁸²⁴⁷ is an apocalyptic number.

528247 is a deficient number, since it is larger than the sum of its proper divisors (1).

528247 is an equidigital number, since it uses as much as digits as its factorization.

528247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 28.

The square root of 528247 is about 726.8060263922. The cubic root of 528247 is about 80.8374018098.

It can be divided in two parts, 5282 and 47, that added together give a square (5329 = 73²).

The spelling of 528247 in words is "five hundred twenty-eight thousand, two hundred forty-seven".