2006705213 has 2 divisors, whose sum is σ = 2006705214. Its totient is φ = 2006705212.

The previous prime is 2006705201. The next prime is 2006705243. The reversal of 2006705213 is 3125076002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974646969 + 32058244 = 44437^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006705213 - 2¹² = 2006701117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006705243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003352606 + 1003352607.

It is an arithmetic number, because the mean of its divisors is an integer number (1003352607).

Almost surely, 2^2006705213 is an apocalyptic number.

It is an amenable number.

2006705213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006705213 is an equidigital number, since it uses as much as digits as its factorization.

2006705213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2006705213 is about 44796.2633821170. The cubic root of 2006705213 is about 1261.3274858223.

The spelling of 2006705213 in words is "two billion, six million, seven hundred five thousand, two hundred thirteen".