80549233 has 2 divisors, whose sum is σ = 80549234. Its totient is φ = 80549232.

The previous prime is 80549207. The next prime is 80549237. The reversal of 80549233 is 33294508.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77563249 + 2985984 = 8807^2 + 1728^2 .

It is a cyclic number.

It is not a de Polignac number, because 80549233 - 2⁵ = 80549201 is a prime.

It is not a weakly prime, because it can be changed into another prime (80549237) 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, 40274616 + 40274617.

It is an arithmetic number, because the mean of its divisors is an integer number (40274617).

Almost surely, 2^80549233 is an apocalyptic number.

It is an amenable number.

80549233 is a deficient number, since it is larger than the sum of its proper divisors (1).

80549233 is an equidigital number, since it uses as much as digits as its factorization.

80549233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 80549233 is about 8974.9224509184. The cubic root of 80549233 is about 431.8707621668.

The spelling of 80549233 in words is "eighty million, five hundred forty-nine thousand, two hundred thirty-three".