528270047 has 4 divisors (see below), whose sum is σ = 528378480. Its totient is φ = 528161616.

The previous prime is 528270013. The next prime is 528270059. The reversal of 528270047 is 740072825.

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

It is a cyclic number.

It is not a de Polignac number, because 528270047 - 2⁶ = 528269983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 528269989 and 528270016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528272047) 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, 46547 + ... + 56772.

It is an arithmetic number, because the mean of its divisors is an integer number (132094620).

Almost surely, 2^528270047 is an apocalyptic number.

528270047 is a deficient number, since it is larger than the sum of its proper divisors (108433).

528270047 is a wasteful number, since it uses less digits than its factorization.

528270047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108432.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 528270047 is about 22984.1259785966. The cubic root of 528270047 is about 808.3857741678.

The spelling of 528270047 in words is "five hundred twenty-eight million, two hundred seventy thousand, forty-seven".