265320 has 96 divisors (see below), whose sum is σ = 954720. Its totient is φ = 63360.

The previous prime is 265313. The next prime is 265333. The reversal of 265320 is 23562.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 265293 and 265302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3927 + ... + 3993.

It is an arithmetic number, because the mean of its divisors is an integer number (9945).

2²⁶⁵³²⁰ is an apocalyptic number.

265320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477360).

265320 is an abundant number, since it is smaller than the sum of its proper divisors (689400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265320 is a wasteful number, since it uses less digits than its factorization.

265320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 265320 is about 515.0922247520. The cubic root of 265320 is about 64.2574267079.

265320 divided by its product of nonzero digits (360) gives a palindrome (737).

Adding to 265320 its reverse (23562), we get a palindrome (288882).

It can be divided in two parts, 265 and 320, that added together give a palindrome (585).

The spelling of 265320 in words is "two hundred sixty-five thousand, three hundred twenty".