80546129 has 2 divisors, whose sum is σ = 80546130. Its totient is φ = 80546128.

The previous prime is 80546093. The next prime is 80546131. The reversal of 80546129 is 92164508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 10857025 = 8348^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 80546129 - 2⁸ = 80545873 is a prime.

Together with 80546131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80546159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40273064 + 40273065.

It is an arithmetic number, because the mean of its divisors is an integer number (40273065).

Almost surely, 2^80546129 is an apocalyptic number.

It is an amenable number.

80546129 is a deficient number, since it is larger than the sum of its proper divisors (1).

80546129 is an equidigital number, since it uses as much as digits as its factorization.

80546129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 80546129 is about 8974.7495229672. The cubic root of 80546129 is about 431.8652146525.

The spelling of 80546129 in words is "eighty million, five hundred forty-six thousand, one hundred twenty-nine".