216283853 has 4 divisors (see below), whose sum is σ = 216425568. Its totient is φ = 216142140.

The previous prime is 216283849. The next prime is 216283867. The reversal of 216283853 is 358382612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216283853 - 2² = 216283849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216283813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68543 + ... + 71628.

It is an arithmetic number, because the mean of its divisors is an integer number (54106392).

Almost surely, 2^216283853 is an apocalyptic number.

It is an amenable number.

216283853 is a deficient number, since it is larger than the sum of its proper divisors (141715).

216283853 is a wasteful number, since it uses less digits than its factorization.

216283853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141714.

The product of its digits is 69120, while the sum is 38.

The square root of 216283853 is about 14706.5921613404. The cubic root of 216283853 is about 600.2627118059.

The spelling of 216283853 in words is "two hundred sixteen million, two hundred eighty-three thousand, eight hundred fifty-three".