663253 has 8 divisors (see below), whose sum is σ = 687456. Its totient is φ = 639600.

The previous prime is 663241. The next prime is 663263. The reversal of 663253 is 352366.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-663253 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 (663203) 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, 4998 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2⁶⁶³²⁵³ is an apocalyptic number.

It is an amenable number.

663253 is a deficient number, since it is larger than the sum of its proper divisors (24203).

663253 is a wasteful number, since it uses less digits than its factorization.

663253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its digits is 3240, while the sum is 25.

The square root of 663253 is about 814.4034626645. The cubic root of 663253 is about 87.2086856231.

The spelling of 663253 in words is "six hundred sixty-three thousand, two hundred fifty-three".