216352303 has 2 divisors, whose sum is σ = 216352304. Its totient is φ = 216352302.

The previous prime is 216352291. The next prime is 216352333. The reversal of 216352303 is 303253612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216352303 - 2¹³ = 216344111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216352333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108176151 + 108176152.

It is an arithmetic number, because the mean of its divisors is an integer number (108176152).

Almost surely, 2^216352303 is an apocalyptic number.

216352303 is a deficient number, since it is larger than the sum of its proper divisors (1).

216352303 is an equidigital number, since it uses as much as digits as its factorization.

216352303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 216352303 is about 14708.9191649149. The cubic root of 216352303 is about 600.3260292909.

The spelling of 216352303 in words is "two hundred sixteen million, three hundred fifty-two thousand, three hundred three".