80212459 has 2 divisors, whose sum is σ = 80212460. Its totient is φ = 80212458.

The previous prime is 80212453. The next prime is 80212487. The reversal of 80212459 is 95421208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80212459 - 2⁵ = 80212427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80212459.

It is not a weakly prime, because it can be changed into another prime (80212453) 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, 40106229 + 40106230.

It is an arithmetic number, because the mean of its divisors is an integer number (40106230).

Almost surely, 2^80212459 is an apocalyptic number.

80212459 is a deficient number, since it is larger than the sum of its proper divisors (1).

80212459 is an equidigital number, since it uses as much as digits as its factorization.

80212459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 80212459 is about 8956.1408541849. The cubic root of 80212459 is about 431.2680417013.

The spelling of 80212459 in words is "eighty million, two hundred twelve thousand, four hundred fifty-nine".