210452213 has 2 divisors, whose sum is σ = 210452214. Its totient is φ = 210452212.

The previous prime is 210452171. The next prime is 210452239. The reversal of 210452213 is 312254012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205262929 + 5189284 = 14327^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 210452213 - 2¹⁸ = 210190069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210455213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105226106 + 105226107.

It is an arithmetic number, because the mean of its divisors is an integer number (105226107).

Almost surely, 2^210452213 is an apocalyptic number.

It is an amenable number.

210452213 is a deficient number, since it is larger than the sum of its proper divisors (1).

210452213 is an equidigital number, since it uses as much as digits as its factorization.

210452213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 210452213 is about 14506.9711862952. The cubic root of 210452213 is about 594.8185431651.

The spelling of 210452213 in words is "two hundred ten million, four hundred fifty-two thousand, two hundred thirteen".