802019 has 2 divisors, whose sum is σ = 802020. Its totient is φ = 802018.

The previous prime is 802007. The next prime is 802027. The reversal of 802019 is 910208.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802019 is a prime.

It is a super-2 number, since 2×802019² = 1286468952722, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (801019) 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, 401009 + 401010.

It is an arithmetic number, because the mean of its divisors is an integer number (401010).

2⁸⁰²⁰¹⁹ is an apocalyptic number.

802019 is a deficient number, since it is larger than the sum of its proper divisors (1).

802019 is an equidigital number, since it uses as much as digits as its factorization.

802019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 802019 is about 895.5551350978. Note that the first 3 decimals coincide. The cubic root of 802019 is about 92.9098057991.

The spelling of 802019 in words is "eight hundred two thousand, nineteen".