663233 has 8 divisors (see below), whose sum is σ = 709920. Its totient is φ = 617760.

The previous prime is 663209. The next prime is 663239. The reversal of 663233 is 332366.

It is a happy number.

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 663233 - 2¹² = 659137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 663199 and 663208.

It is not an unprimeable number, because it can be changed into a prime (663239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (88740).

2⁶⁶³²³³ is an apocalyptic number.

It is an amenable number.

663233 is a deficient number, since it is larger than the sum of its proper divisors (46687).

663233 is a wasteful number, since it uses less digits than its factorization.

663233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607.

The product of its digits is 1944, while the sum is 23.

The square root of 663233 is about 814.3911836458. The cubic root of 663233 is about 87.2078090389.

Adding to 663233 its reverse (332366), we get a palindrome (995599).

The spelling of 663233 in words is "six hundred sixty-three thousand, two hundred thirty-three".