612002213 has 2 divisors, whose sum is σ = 612002214. Its totient is φ = 612002212.

The previous prime is 612002201. The next prime is 612002219. The reversal of 612002213 is 312200216.

612002213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588402049 + 23600164 = 24257^2 + 4858^2 .

It is a cyclic number.

It is not a de Polignac number, because 612002213 - 2¹² = 611998117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 612002191 and 612002200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612002219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306001106 + 306001107.

It is an arithmetic number, because the mean of its divisors is an integer number (306001107).

Almost surely, 2^612002213 is an apocalyptic number.

It is an amenable number.

612002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

612002213 is an equidigital number, since it uses as much as digits as its factorization.

612002213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 612002213 is about 24738.6784812770. The cubic root of 612002213 is about 849.0194982303.

Adding to 612002213 its reverse (312200216), we get a palindrome (924202429).

The spelling of 612002213 in words is "six hundred twelve million, two thousand, two hundred thirteen".