63217 has 8 divisors (see below), whose sum is σ = 78912. Its totient is φ = 49200.

The previous prime is 63211. The next prime is 63241. The reversal of 63217 is 71236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63217 - 2¹¹ = 61169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63194 and 63203.

It is not an unprimeable number, because it can be changed into a prime (63211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 487.

It is an arithmetic number, because the mean of its divisors is an integer number (9864).

2⁶³²¹⁷ is an apocalyptic number.

It is an amenable number.

63217 is a deficient number, since it is larger than the sum of its proper divisors (15695).

63217 is a wasteful number, since it uses less digits than its factorization.

63217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its digits is 252, while the sum is 19.

The square root of 63217 is about 251.4299107107. The cubic root of 63217 is about 39.8362051971.

Adding to 63217 its sum of digits (19), we get a palindrome (63236).

It can be divided in two parts, 6321 and 7, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 63217 in words is "sixty-three thousand, two hundred seventeen".