52318 has 16 divisors (see below), whose sum is σ = 93024. Its totient is φ = 21600.

The previous prime is 52313. The next prime is 52321. The reversal of 52318 is 81325.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 52295 and 52304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52313) by changing a digit.

52318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 568.

It is an arithmetic number, because the mean of its divisors is an integer number (5814).

2⁵²³¹⁸ is an apocalyptic number.

52318 is a deficient number, since it is larger than the sum of its proper divisors (40706).

52318 is a wasteful number, since it uses less digits than its factorization.

52318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147.

The product of its digits is 240, while the sum is 19.

The square root of 52318 is about 228.7312833873. The cubic root of 52318 is about 37.4010427993.

The spelling of 52318 in words is "fifty-two thousand, three hundred eighteen".