63319 has 4 divisors (see below), whose sum is σ = 66096. Its totient is φ = 60544.

The previous prime is 63317. The next prime is 63331. The reversal of 63319 is 91336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63319 - 2¹ = 63317 is a prime.

It is a super-2 number, since 2×63319² = 8018591522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

63319 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 63319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (16524).

2⁶³³¹⁹ is an apocalyptic number.

63319 is a deficient number, since it is larger than the sum of its proper divisors (2777).

63319 is a wasteful number, since it uses less digits than its factorization.

63319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776.

The product of its digits is 486, while the sum is 22.

The square root of 63319 is about 251.6326687853. The cubic root of 63319 is about 39.8576187911.

The spelling of 63319 in words is "sixty-three thousand, three hundred nineteen".