265800 has 48 divisors (see below), whose sum is σ = 825840. Its totient is φ = 70720.

The previous prime is 265787. The next prime is 265807. The reversal of 265800 is 8562.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (265807) by changing a digit.

265800 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 11 ways as a sum of consecutive naturals, for example, 379 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (17205).

2²⁶⁵⁸⁰⁰ is an apocalyptic number.

265800 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 265800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412920).

265800 is an abundant number, since it is smaller than the sum of its proper divisors (560040).

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

265800 is a wasteful number, since it uses less digits than its factorization.

265800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 265800 is about 515.5579501860. The cubic root of 265800 is about 64.2961535075.

The spelling of 265800 in words is "two hundred sixty-five thousand, eight hundred".