704213 has 2 divisors, whose sum is σ = 704214. Its totient is φ = 704212.

The previous prime is 704189. The next prime is 704219. The reversal of 704213 is 312407.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 643204 + 61009 = 802^2 + 247^2 .

It is an emirp because it is prime and its reverse (312407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 704213 - 2⁸ = 703957 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 704191 and 704200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704219) 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, 352106 + 352107.

It is an arithmetic number, because the mean of its divisors is an integer number (352107).

2⁷⁰⁴²¹³ is an apocalyptic number.

It is an amenable number.

704213 is a deficient number, since it is larger than the sum of its proper divisors (1).

704213 is an equidigital number, since it uses as much as digits as its factorization.

704213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 704213 is about 839.1739986439. The cubic root of 704213 is about 88.9681744560.

The spelling of 704213 in words is "seven hundred four thousand, two hundred thirteen".