80485019 has 2 divisors, whose sum is σ = 80485020. Its totient is φ = 80485018.

The previous prime is 80485003. The next prime is 80485039. The reversal of 80485019 is 91058408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80485019 - 2⁴ = 80485003 is a prime.

It is a super-2 number, since 2×80485019² = 12955676566860722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80485019.

It is not a weakly prime, because it can be changed into another prime (80485039) 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, 40242509 + 40242510.

It is an arithmetic number, because the mean of its divisors is an integer number (40242510).

Almost surely, 2^80485019 is an apocalyptic number.

80485019 is a deficient number, since it is larger than the sum of its proper divisors (1).

80485019 is an equidigital number, since it uses as much as digits as its factorization.

80485019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 80485019 is about 8971.3443251276. The cubic root of 80485019 is about 431.7559689290.

The spelling of 80485019 in words is "eighty million, four hundred eighty-five thousand, nineteen".