19030213 has 2 divisors, whose sum is σ = 19030214. Its totient is φ = 19030212.

The previous prime is 19030199. The next prime is 19030243. The reversal of 19030213 is 31203091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10975969 + 8054244 = 3313^2 + 2838^2 .

It is a cyclic number.

It is not a de Polignac number, because 19030213 - 2⁵ = 19030181 is a prime.

It is equal to p_1212823 and since 19030213 and 1212823 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19030243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9515106 + 9515107.

It is an arithmetic number, because the mean of its divisors is an integer number (9515107).

Almost surely, 2^19030213 is an apocalyptic number.

It is an amenable number.

19030213 is a deficient number, since it is larger than the sum of its proper divisors (1).

19030213 is an equidigital number, since it uses as much as digits as its factorization.

19030213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 19030213 is about 4362.3632356786. The cubic root of 19030213 is about 266.9815292997.

It can be divided in two parts, 190 and 30213, that added together give a palindrome (30403).

The spelling of 19030213 in words is "nineteen million, thirty thousand, two hundred thirteen".