528274 has 4 divisors (see below), whose sum is σ = 792414. Its totient is φ = 264136.

The previous prime is 528263. The next prime is 528289. The reversal of 528274 is 472825.

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

It can be written as a sum of positive squares in only one way, i.e., 469225 + 59049 = 685^2 + 243^2 .

It is a d-powerful number, because it can be written as 5⁸ + 2¹² + 2¹⁷ + 8² + 7⁴ + 4² .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132067 + ... + 132070.

2⁵²⁸²⁷⁴ is an apocalyptic number.

528274 is a deficient number, since it is larger than the sum of its proper divisors (264140).

528274 is a wasteful number, since it uses less digits than its factorization.

528274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264139.

The product of its digits is 4480, while the sum is 28.

The square root of 528274 is about 726.8246005743. The cubic root of 528274 is about 80.8387790523.

It can be divided in two parts, 5282 and 74, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 528274 in words is "five hundred twenty-eight thousand, two hundred seventy-four".