216353063 has 2 divisors, whose sum is σ = 216353064. Its totient is φ = 216353062.

The previous prime is 216353047. The next prime is 216353069. The reversal of 216353063 is 360353612.

It is a happy number.

216353063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216353063 - 2⁴ = 216353047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216353069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108176531 + 108176532.

It is an arithmetic number, because the mean of its divisors is an integer number (108176532).

Almost surely, 2^216353063 is an apocalyptic number.

216353063 is a deficient number, since it is larger than the sum of its proper divisors (1).

216353063 is an equidigital number, since it uses as much as digits as its factorization.

216353063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 216353063 is about 14708.9449995572. The cubic root of 216353063 is about 600.3267322296.

The spelling of 216353063 in words is "two hundred sixteen million, three hundred fifty-three thousand, sixty-three".