217352483 has 4 divisors (see below), whose sum is σ = 217799280. Its totient is φ = 216905688.

The previous prime is 217352453. The next prime is 217352491. The reversal of 217352483 is 384253712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 217352483 - 2⁸ = 217352227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (217352413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222668 + ... + 223641.

It is an arithmetic number, because the mean of its divisors is an integer number (54449820).

Almost surely, 2^217352483 is an apocalyptic number.

217352483 is a deficient number, since it is larger than the sum of its proper divisors (446797).

217352483 is an equidigital number, since it uses as much as digits as its factorization.

217352483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446796.

The product of its digits is 40320, while the sum is 35.

The square root of 217352483 is about 14742.8790607534. The cubic root of 217352483 is about 601.2496943736.

The spelling of 217352483 in words is "two hundred seventeen million, three hundred fifty-two thousand, four hundred eighty-three".