85002019 has 2 divisors, whose sum is σ = 85002020. Its totient is φ = 85002018.

The previous prime is 85002017. The next prime is 85002037. The reversal of 85002019 is 91020058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85002019 - 2¹ = 85002017 is a prime.

It is a super-2 number, since 2×85002019² = 14450686468152722, which contains 22 as substring.

Together with 85002017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 85001984 and 85002002.

It is not a weakly prime, because it can be changed into another prime (85002011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42501009 + 42501010.

It is an arithmetic number, because the mean of its divisors is an integer number (42501010).

Almost surely, 2^85002019 is an apocalyptic number.

85002019 is a deficient number, since it is larger than the sum of its proper divisors (1).

85002019 is an equidigital number, since it uses as much as digits as its factorization.

85002019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 85002019 is about 9219.6539522913. The cubic root of 85002019 is about 439.6864484428.

The spelling of 85002019 in words is "eighty-five million, two thousand, nineteen".