213266303 has 2 divisors, whose sum is σ = 213266304. Its totient is φ = 213266302.

The previous prime is 213266299. The next prime is 213266323. The reversal of 213266303 is 303662312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213266303 - 2² = 213266299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213266323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106633151 + 106633152.

It is an arithmetic number, because the mean of its divisors is an integer number (106633152).

Almost surely, 2^213266303 is an apocalyptic number.

213266303 is a deficient number, since it is larger than the sum of its proper divisors (1).

213266303 is an equidigital number, since it uses as much as digits as its factorization.

213266303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 213266303 is about 14603.6400599303. The cubic root of 213266303 is about 597.4580450575.

The spelling of 213266303 in words is "two hundred thirteen million, two hundred sixty-six thousand, three hundred three".