528941069 has 2 divisors, whose sum is σ = 528941070. Its totient is φ = 528941068.

The previous prime is 528941047. The next prime is 528941087. The reversal of 528941069 is 960149825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494484169 + 34456900 = 22237^2 + 5870^2 .

It is a cyclic number.

It is not a de Polignac number, because 528941069 - 2²⁰ = 527892493 is a prime.

It is a super-2 number, since 2×528941069² = 559557308949725522, which contains 22 as substring.

It is a Sophie Germain 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 (528941029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264470534 + 264470535.

It is an arithmetic number, because the mean of its divisors is an integer number (264470535).

Almost surely, 2^528941069 is an apocalyptic number.

It is an amenable number.

528941069 is a deficient number, since it is larger than the sum of its proper divisors (1).

528941069 is an equidigital number, since it uses as much as digits as its factorization.

528941069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 528941069 is about 22998.7188556232. The cubic root of 528941069 is about 808.7279067117.

The spelling of 528941069 in words is "five hundred twenty-eight million, nine hundred forty-one thousand, sixty-nine".