670067213 has 2 divisors, whose sum is σ = 670067214. Its totient is φ = 670067212.

The previous prime is 670067197. The next prime is 670067269. The reversal of 670067213 is 312760076.

670067213 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 can be written as a sum of positive squares in only one way, i.e., 519931204 + 150136009 = 22802^2 + 12253^2 .

It is a cyclic number.

It is not a de Polignac number, because 670067213 - 2⁴ = 670067197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 670067213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670067273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335033606 + 335033607.

It is an arithmetic number, because the mean of its divisors is an integer number (335033607).

Almost surely, 2^670067213 is an apocalyptic number.

It is an amenable number.

670067213 is a deficient number, since it is larger than the sum of its proper divisors (1).

670067213 is an equidigital number, since it uses as much as digits as its factorization.

670067213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 670067213 is about 25885.6565108942. The cubic root of 670067213 is about 875.0632718328.

The spelling of 670067213 in words is "six hundred seventy million, sixty-seven thousand, two hundred thirteen".