63305 has 8 divisors (see below), whose sum is σ = 82944. Its totient is φ = 46000.

The previous prime is 63299. The next prime is 63311. The reversal of 63305 is 50336.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63299) and next prime (63311).

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

It is not a de Polignac number, because 63305 - 2⁶ = 63241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521 + ... + 630.

It is an arithmetic number, because the mean of its divisors is an integer number (10368).

2⁶³³⁰⁵ is an apocalyptic number.

It is an amenable number.

63305 is a deficient number, since it is larger than the sum of its proper divisors (19639).

63305 is a wasteful number, since it uses less digits than its factorization.

63305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 63305 is about 251.6048489199. The cubic root of 63305 is about 39.8546810326.

The spelling of 63305 in words is "sixty-three thousand, three hundred five".