200645213 has 2 divisors, whose sum is σ = 200645214. Its totient is φ = 200645212.

The previous prime is 200645201. The next prime is 200645231. The reversal of 200645213 is 312546002.

Together with next prime (200645231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200448964 + 196249 = 14158^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 200645213 - 2²⁰ = 199596637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200695213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100322606 + 100322607.

It is an arithmetic number, because the mean of its divisors is an integer number (100322607).

Almost surely, 2^200645213 is an apocalyptic number.

It is an amenable number.

200645213 is a deficient number, since it is larger than the sum of its proper divisors (1).

200645213 is an equidigital number, since it uses as much as digits as its factorization.

200645213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 200645213 is about 14164.9289797019. The cubic root of 200645213 is about 585.4317440110.

The spelling of 200645213 in words is "two hundred million, six hundred forty-five thousand, two hundred thirteen".