528949 has 4 divisors (see below), whose sum is σ = 530464. Its totient is φ = 527436.

The previous prime is 528947. The next prime is 528967. The reversal of 528949 is 949825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 528949 - 2¹ = 528947 is a prime.

It is a Duffinian number.

528949 is a lucky number.

It is a nialpdrome in base 9 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528947) 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 3 ways as a sum of consecutive naturals, for example, 64 + ... + 1030.

It is an arithmetic number, because the mean of its divisors is an integer number (132616).

2⁵²⁸⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

528949 is a deficient number, since it is larger than the sum of its proper divisors (1515).

528949 is an equidigital number, since it uses as much as digits as its factorization.

528949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its digits is 25920, while the sum is 37.

The square root of 528949 is about 727.2888009587. The cubic root of 528949 is about 80.8731948743.

The spelling of 528949 in words is "five hundred twenty-eight thousand, nine hundred forty-nine".