528674243 has 4 divisors (see below), whose sum is σ = 530555928. Its totient is φ = 526792560.

The previous prime is 528674141. The next prime is 528674261. The reversal of 528674243 is 342476825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528674243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 528674243.

It is not an unprimeable number, because it can be changed into a prime (528674273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940421 + ... + 940982.

It is an arithmetic number, because the mean of its divisors is an integer number (132638982).

Almost surely, 2^528674243 is an apocalyptic number.

528674243 is a deficient number, since it is larger than the sum of its proper divisors (1881685).

528674243 is a wasteful number, since it uses less digits than its factorization.

528674243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881684.

The product of its digits is 322560, while the sum is 41.

The square root of 528674243 is about 22992.9172355315. The cubic root of 528674243 is about 808.5918953861.

The spelling of 528674243 in words is "five hundred twenty-eight million, six hundred seventy-four thousand, two hundred forty-three".