528347 has 4 divisors (see below), whose sum is σ = 530376. Its totient is φ = 526320.

The previous prime is 528329. The next prime is 528373. The reversal of 528347 is 743825.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 528347 - 2⁸ = 528091 is a prime.

It is a d-powerful number, because it can be written as 5⁴ + 2¹⁸ + 3² + 8⁶ + 4⁵ + 7⁴ .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 528347.

It is not an unprimeable number, because it can be changed into a prime (528317) 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 in 3 ways as a sum of consecutive naturals, for example, 554 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (132594).

2⁵²⁸³⁴⁷ is an apocalyptic number.

528347 is a deficient number, since it is larger than the sum of its proper divisors (2029).

528347 is a wasteful number, since it uses less digits than its factorization.

528347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028.

The product of its digits is 6720, while the sum is 29.

The square root of 528347 is about 726.8748172829. The cubic root of 528347 is about 80.8425024731.

The spelling of 528347 in words is "five hundred twenty-eight thousand, three hundred forty-seven".