210019 has 2 divisors, whose sum is σ = 210020. Its totient is φ = 210018.

The previous prime is 210011. The next prime is 210031. The reversal of 210019 is 910012.

210019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210019 - 2³ = 210011 is a prime.

It is a super-2 number, since 2×210019² = 88215960722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 209990 and 210008.

It is not a weakly prime, because it can be changed into another prime (210011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105009 + 105010.

It is an arithmetic number, because the mean of its divisors is an integer number (105010).

2²¹⁰⁰¹⁹ is an apocalyptic number.

210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

210019 is an equidigital number, since it uses as much as digits as its factorization.

210019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 210019 is about 458.2782997263. The cubic root of 210019 is about 59.4410120850.

The spelling of 210019 in words is "two hundred ten thousand, nineteen".