80882521 has 2 divisors, whose sum is σ = 80882522. Its totient is φ = 80882520.

The previous prime is 80882509. The next prime is 80882567. The reversal of 80882521 is 12528808.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62726400 + 18156121 = 7920^2 + 4261^2 .

It is a cyclic number.

It is not a de Polignac number, because 80882521 - 2⁵ = 80882489 is a prime.

It is not a weakly prime, because it can be changed into another prime (80882591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40441260 + 40441261.

It is an arithmetic number, because the mean of its divisors is an integer number (40441261).

Almost surely, 2^80882521 is an apocalyptic number.

It is an amenable number.

80882521 is a deficient number, since it is larger than the sum of its proper divisors (1).

80882521 is an equidigital number, since it uses as much as digits as its factorization.

80882521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 80882521 is about 8993.4710206905. The cubic root of 80882521 is about 432.4655920593.

It can be divided in two parts, 8088 and 2521, that added together give a square (10609 = 103²).

The spelling of 80882521 in words is "eighty million, eight hundred eighty-two thousand, five hundred twenty-one".