318265 has 8 divisors (see below), whose sum is σ = 389448. Its totient is φ = 249600.

The previous prime is 318259. The next prime is 318271. The reversal of 318265 is 562813.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (318259) and next prime (318271).

It can be written as a sum of positive squares in 4 ways, for example, as 1296 + 316969 = 36^2 + 563^2 .

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

It is not a de Polignac number, because 318265 - 2⁵ = 318233 is a prime.

It is a super-2 number, since 2×318265² = 202585220450, which contains 22 as substring.

It is a Duffinian number.

318265 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318265.

It is an unprimeable number.

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, 336 + ... + 865.

It is an arithmetic number, because the mean of its divisors is an integer number (48681).

2³¹⁸²⁶⁵ is an apocalyptic number.

It is an amenable number.

318265 is a deficient number, since it is larger than the sum of its proper divisors (71183).

318265 is a wasteful number, since it uses less digits than its factorization.

318265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its digits is 1440, while the sum is 25.

The square root of 318265 is about 564.1498028006. The cubic root of 318265 is about 68.2751967685.

The spelling of 318265 in words is "three hundred eighteen thousand, two hundred sixty-five".