528572069 has 2 divisors, whose sum is σ = 528572070. Its totient is φ = 528572068.

The previous prime is 528572029. The next prime is 528572101. The reversal of 528572069 is 960275825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292581025 + 235991044 = 17105^2 + 15362^2 .

It is a cyclic number.

It is not a de Polignac number, because 528572069 - 2²⁴ = 511794853 is a prime.

It is a super-2 number, since 2×528572069² = 558776864253881522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528572029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264286034 + 264286035.

It is an arithmetic number, because the mean of its divisors is an integer number (264286035).

Almost surely, 2^528572069 is an apocalyptic number.

It is an amenable number.

528572069 is a deficient number, since it is larger than the sum of its proper divisors (1).

528572069 is an equidigital number, since it uses as much as digits as its factorization.

528572069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 528572069 is about 22990.6952700435. The cubic root of 528572069 is about 808.5398013085.

The spelling of 528572069 in words is "five hundred twenty-eight million, five hundred seventy-two thousand, sixty-nine".