528794969 has 2 divisors, whose sum is σ = 528794970. Its totient is φ = 528794968.

The previous prime is 528794923. The next prime is 528794977. The reversal of 528794969 is 969497825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297390025 + 231404944 = 17245^2 + 15212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528794969 is a prime.

It is a super-2 number, since 2×528794969² = 559248238479421922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (528794569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264397484 + 264397485.

It is an arithmetic number, because the mean of its divisors is an integer number (264397485).

Almost surely, 2^528794969 is an apocalyptic number.

It is an amenable number.

528794969 is a deficient number, since it is larger than the sum of its proper divisors (1).

528794969 is an equidigital number, since it uses as much as digits as its factorization.

528794969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 59.

The square root of 528794969 is about 22995.5423723817. The cubic root of 528794969 is about 808.6534396716.

The spelling of 528794969 in words is "five hundred twenty-eight million, seven hundred ninety-four thousand, nine hundred sixty-nine".