216254683 has 2 divisors, whose sum is σ = 216254684. Its totient is φ = 216254682.

The previous prime is 216254659. The next prime is 216254723. The reversal of 216254683 is 386452612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216254683 - 2¹³ = 216246491 is a prime.

It is not a weakly prime, because it can be changed into another prime (216254083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108127341 + 108127342.

It is an arithmetic number, because the mean of its divisors is an integer number (108127342).

Almost surely, 2^216254683 is an apocalyptic number.

216254683 is a deficient number, since it is larger than the sum of its proper divisors (1).

216254683 is an equidigital number, since it uses as much as digits as its factorization.

216254683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 216254683 is about 14705.6003957676. The cubic root of 216254683 is about 600.2357249700.

The spelling of 216254683 in words is "two hundred sixteen million, two hundred fifty-four thousand, six hundred eighty-three".