528461 has 4 divisors (see below), whose sum is σ = 534912. Its totient is φ = 522012.

The previous prime is 528433. The next prime is 528469. The reversal of 528461 is 164825.

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 a de Polignac number, because none of the positive numbers 2^k-528461 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 528461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528469) 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, 3101 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (133728).

2⁵²⁸⁴⁶¹ is an apocalyptic number.

It is an amenable number.

528461 is a deficient number, since it is larger than the sum of its proper divisors (6451).

528461 is an equidigital number, since it uses as much as digits as its factorization.

528461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450.

The product of its digits is 1920, while the sum is 26.

The square root of 528461 is about 726.9532309578. The cubic root of 528461 is about 80.8483164441.

It can be divided in two parts, 528 and 461, that added together give a palindrome (989).

The spelling of 528461 in words is "five hundred twenty-eight thousand, four hundred sixty-one".