265330 has 24 divisors (see below), whose sum is σ = 520452. Its totient is φ = 97344.

The previous prime is 265313. The next prime is 265333. The reversal of 265330 is 33562.

It can be written as a sum of positive squares in 6 ways, for example, as 12321 + 253009 = 111^2 + 503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 265298 and 265307.

It is not an unprimeable number, because it can be changed into a prime (265333) by changing a digit.

265330 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612 + ... + 1768.

2²⁶⁵³³⁰ is an apocalyptic number.

265330 is a deficient number, since it is larger than the sum of its proper divisors (255122).

265330 is a wasteful number, since it uses less digits than its factorization.

265330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 265330 is about 515.1019316601. The cubic root of 265330 is about 64.2582339924.

Adding to 265330 its reverse (33562), we get a palindrome (298892).

It can be divided in two parts, 265 and 330, that added together give a palindrome (595).

The spelling of 265330 in words is "two hundred sixty-five thousand, three hundred thirty".