528361 has 4 divisors (see below), whose sum is σ = 530512. Its totient is φ = 526212.

The previous prime is 528329. The next prime is 528373. The reversal of 528361 is 163825.

It is a happy number.

528361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 528361 - 2⁵ = 528329 is a prime.

It is a Duffinian number.

528361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (528391) 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, 651 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (132628).

2⁵²⁸³⁶¹ is an apocalyptic number.

It is an amenable number.

528361 is a deficient number, since it is larger than the sum of its proper divisors (2151).

528361 is a wasteful number, since it uses less digits than its factorization.

528361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150.

The product of its digits is 1440, while the sum is 25.

The square root of 528361 is about 726.8844474880. The cubic root of 528361 is about 80.8432165146.

The spelling of 528361 in words is "five hundred twenty-eight thousand, three hundred sixty-one".