63313273 has 8 divisors (see below), whose sum is σ = 66264768. Its totient is φ = 60378384.

The previous prime is 63313267. The next prime is 63313309. The reversal of 63313273 is 37231336.

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 63313273 - 2⁵ = 63313241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63313213) 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, 4015 + ... + 11947.

It is an arithmetic number, because the mean of its divisors is an integer number (8283096).

Almost surely, 2^63313273 is an apocalyptic number.

It is an amenable number.

63313273 is a deficient number, since it is larger than the sum of its proper divisors (2951495).

63313273 is a wasteful number, since it uses less digits than its factorization.

63313273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303.

The product of its digits is 6804, while the sum is 28.

The square root of 63313273 is about 7956.9638053720. The cubic root of 63313273 is about 398.5641709039.

It can be divided in two parts, 6331 and 3273, that added together give a square (9604 = 98²).

The spelling of 63313273 in words is "sixty-three million, three hundred thirteen thousand, two hundred seventy-three".