80327549 has 2 divisors, whose sum is σ = 80327550. Its totient is φ = 80327548.

The previous prime is 80327531. The next prime is 80327551. The reversal of 80327549 is 94572308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66504025 + 13823524 = 8155^2 + 3718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80327549 is a prime.

Together with 80327551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80327509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40163774 + 40163775.

It is an arithmetic number, because the mean of its divisors is an integer number (40163775).

Almost surely, 2^80327549 is an apocalyptic number.

It is an amenable number.

80327549 is a deficient number, since it is larger than the sum of its proper divisors (1).

80327549 is an equidigital number, since it uses as much as digits as its factorization.

80327549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 80327549 is about 8962.5637515166. The cubic root of 80327549 is about 431.4742063446.

The spelling of 80327549 in words is "eighty million, three hundred twenty-seven thousand, five hundred forty-nine".