528697 has 8 divisors (see below), whose sum is σ = 578816. Its totient is φ = 479952.

The previous prime is 528691. The next prime is 528707. The reversal of 528697 is 796825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 528697 - 2¹¹ = 526649 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 2¹⁹ + 6² + 8³ + 9³ + 7 .

It is a Duffinian number.

It is a nialpdrome in base 9 and base 14.

It is not an unprimeable number, because it can be changed into a prime (528691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568 + ... + 1174.

It is an arithmetic number, because the mean of its divisors is an integer number (72352).

528697 is a Friedman number, since it can be written as 9^6-8*7^(5-2), using all its digits and the basic arithmetic operations.

2⁵²⁸⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

528697 is a deficient number, since it is larger than the sum of its proper divisors (50119).

528697 is a wasteful number, since it uses less digits than its factorization.

528697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its digits is 30240, while the sum is 37.

The square root of 528697 is about 727.1155341485. The cubic root of 528697 is about 80.8603497276.

It can be divided in two parts, 528 and 697, that added together give a triangular number (1225 = T₄₉).

The spelling of 528697 in words is "five hundred twenty-eight thousand, six hundred ninety-seven".