207263213 has 2 divisors, whose sum is σ = 207263214. Its totient is φ = 207263212.

The previous prime is 207263209. The next prime is 207263237. The reversal of 207263213 is 312362702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202692169 + 4571044 = 14237^2 + 2138^2 .

It is a cyclic number.

It is not a de Polignac number, because 207263213 - 2² = 207263209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207263513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103631606 + 103631607.

It is an arithmetic number, because the mean of its divisors is an integer number (103631607).

Almost surely, 2^207263213 is an apocalyptic number.

It is an amenable number.

207263213 is a deficient number, since it is larger than the sum of its proper divisors (1).

207263213 is an equidigital number, since it uses as much as digits as its factorization.

207263213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 207263213 is about 14396.6389480323. The cubic root of 207263213 is about 591.7987935123.

The spelling of 207263213 in words is "two hundred seven million, two hundred sixty-three thousand, two hundred thirteen".