528961 has 4 divisors (see below), whose sum is σ = 530992. Its totient is φ = 526932.

The previous prime is 528947. The next prime is 528967. The reversal of 528961 is 169825.

528961 is nontrivially palindromic in base 14.

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.

It is a cyclic number.

It is not a de Polignac number, because 528961 - 2⁵ = 528929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (132748).

2⁵²⁸⁹⁶¹ is an apocalyptic number.

It is an amenable number.

528961 is a deficient number, since it is larger than the sum of its proper divisors (2031).

528961 is a wasteful number, since it uses less digits than its factorization.

528961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030.

The product of its digits is 4320, while the sum is 31.

The square root of 528961 is about 727.2970507296. The cubic root of 528961 is about 80.8738064462.

The spelling of 528961 in words is "five hundred twenty-eight thousand, nine hundred sixty-one".