528051065 has 4 divisors (see below), whose sum is σ = 633661284. Its totient is φ = 422440848.

The previous prime is 528051061. The next prime is 528051071. The reversal of 528051065 is 560150825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 276257641 + 251793424 = 16621^2 + 15868^2 .

It is a cyclic number.

It is not a de Polignac number, because 528051065 - 2² = 528051061 is a prime.

It is a super-3 number, since 3×528051065³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528051061) 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, 52805102 + ... + 52805111.

It is an arithmetic number, because the mean of its divisors is an integer number (158415321).

Almost surely, 2^528051065 is an apocalyptic number.

It is an amenable number.

528051065 is a deficient number, since it is larger than the sum of its proper divisors (105610219).

528051065 is a wasteful number, since it uses less digits than its factorization.

528051065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105610218.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 528051065 is about 22979.3617187249. The cubic root of 528051065 is about 808.2740595877.

The spelling of 528051065 in words is "five hundred twenty-eight million, fifty-one thousand, sixty-five".