529772081 has 2 divisors, whose sum is σ = 529772082. Its totient is φ = 529772080.

The previous prime is 529772063. The next prime is 529772099. The reversal of 529772081 is 180277925.

It is a balanced prime because it is at equal distance from previous prime (529772063) and next prime (529772099).

It can be written as a sum of positive squares in only one way, i.e., 486423025 + 43349056 = 22055^2 + 6584^2 .

It is a cyclic number.

It is not a de Polignac number, because 529772081 - 2¹⁰ = 529771057 is a prime.

It is a super-2 number, since 2×529772081² = 561316915614141122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (529772381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264886040 + 264886041.

It is an arithmetic number, because the mean of its divisors is an integer number (264886041).

Almost surely, 2^529772081 is an apocalyptic number.

It is an amenable number.

529772081 is a deficient number, since it is larger than the sum of its proper divisors (1).

529772081 is an equidigital number, since it uses as much as digits as its factorization.

529772081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 529772081 is about 23016.7782497899. The cubic root of 529772081 is about 809.1512121833.

The spelling of 529772081 in words is "five hundred twenty-nine million, seven hundred seventy-two thousand, eighty-one".