265516 has 12 divisors (see below), whose sum is σ = 476280. Its totient is φ = 129440.

The previous prime is 265513. The next prime is 265541. The reversal of 265516 is 615562.

It is not an unprimeable number, because it can be changed into a prime (265511) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 646 + ... + 973.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2²⁶⁵⁵¹⁶ is an apocalyptic number.

It is an amenable number.

265516 is a deficient number, since it is larger than the sum of its proper divisors (210764).

265516 is a wasteful number, since it uses less digits than its factorization.

265516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1662 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 265516 is about 515.2824468192. The cubic root of 265516 is about 64.2732457888.

The spelling of 265516 in words is "two hundred sixty-five thousand, five hundred sixteen".