528605 has 16 divisors (see below), whose sum is σ = 791424. Its totient is φ = 329280.

The previous prime is 528559. The next prime is 528611. The reversal of 528605 is 506825.

It is not a de Polignac number, because 528605 - 2¹⁰ = 527581 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (49464).

2⁵²⁸⁶⁰⁵ is an apocalyptic number.

528605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

528605 is a deficient number, since it is larger than the sum of its proper divisors (262819).

528605 is a wasteful number, since it uses less digits than its factorization.

528605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 528605 is about 727.0522677222. The cubic root of 528605 is about 80.8556592126.

The spelling of 528605 in words is "five hundred twenty-eight thousand, six hundred five".