527371081 has 2 divisors, whose sum is σ = 527371082. Its totient is φ = 527371080.

The previous prime is 527371073. The next prime is 527371099. The reversal of 527371081 is 180173725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 526289481 + 1081600 = 22941^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 527371081 - 2³ = 527371073 is a prime.

It is a super-2 number, since 2×527371081² = 556240514150217122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (527371681) 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, 263685540 + 263685541.

It is an arithmetic number, because the mean of its divisors is an integer number (263685541).

Almost surely, 2^527371081 is an apocalyptic number.

It is an amenable number.

527371081 is a deficient number, since it is larger than the sum of its proper divisors (1).

527371081 is an equidigital number, since it uses as much as digits as its factorization.

527371081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 527371081 is about 22964.5614153635. The cubic root of 527371081 is about 807.9269659382.

The spelling of 527371081 in words is "five hundred twenty-seven million, three hundred seventy-one thousand, eighty-one".