528049 has 4 divisors (see below), whose sum is σ = 532836. Its totient is φ = 523264.

The previous prime is 528043. The next prime is 528053. The reversal of 528049 is 940825.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 245025 + 283024 = 495^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 528049 - 2³ = 528041 is a prime.

It is a Duffinian number.

528049 is a lucky number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (528041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (133209).

2⁵²⁸⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

528049 is a deficient number, since it is larger than the sum of its proper divisors (4787).

528049 is a wasteful number, since it uses less digits than its factorization.

528049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 528049 is about 726.6698012165. The cubic root of 528049 is about 80.8273005972.

It can be divided in two parts, 5280 and 49, that added together give a square (5329 = 73²).

The spelling of 528049 in words is "five hundred twenty-eight thousand, forty-nine".