528541 has 8 divisors (see below), whose sum is σ = 575960. Its totient is φ = 482112.

The previous prime is 528527. The next prime is 528559. The reversal of 528541 is 145825.

It can be written as a sum of positive squares in 4 ways, for example, as 52441 + 476100 = 229^2 + 690^2 .

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 528541 - 2⁵ = 528509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528511) 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, 1231 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (71995).

2⁵²⁸⁵⁴¹ is an apocalyptic number.

It is an amenable number.

528541 is a deficient number, since it is larger than the sum of its proper divisors (47419).

528541 is a wasteful number, since it uses less digits than its factorization.

528541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its digits is 1600, while the sum is 25.

The square root of 528541 is about 727.0082530481. The cubic root of 528541 is about 80.8523959246.

The spelling of 528541 in words is "five hundred twenty-eight thousand, five hundred forty-one".