216014503 has 2 divisors, whose sum is σ = 216014504. Its totient is φ = 216014502.

The previous prime is 216014497. The next prime is 216014507. The reversal of 216014503 is 305410612.

216014503 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 a de Polignac number, because none of the positive numbers 2^k-216014503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216014507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108007251 + 108007252.

It is an arithmetic number, because the mean of its divisors is an integer number (108007252).

Almost surely, 2^216014503 is an apocalyptic number.

216014503 is a deficient number, since it is larger than the sum of its proper divisors (1).

216014503 is an equidigital number, since it uses as much as digits as its factorization.

216014503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 216014503 is about 14697.4318504969. The cubic root of 216014503 is about 600.0134284032.

The spelling of 216014503 in words is "two hundred sixteen million, fourteen thousand, five hundred three".