265854 has 16 divisors (see below), whose sum is σ = 541440. Its totient is φ = 87000.

The previous prime is 265847. The next prime is 265861. The reversal of 265854 is 458562.

It is an interprime number because it is at equal distance from previous prime (265847) and next prime (265861).

It is a d-powerful number, because it can be written as 2⁵ + 6² + 8³ + 5 + 5⁵ + 4⁹ .

It is a congruent number.

It is an unprimeable number.

265854 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 7 ways as a sum of consecutive naturals, for example, 22 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (33840).

2²⁶⁵⁸⁵⁴ is an apocalyptic number.

265854 is an abundant number, since it is smaller than the sum of its proper divisors (275586).

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

265854 is a wasteful number, since it uses less digits than its factorization.

265854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its digits is 9600, while the sum is 30.

The square root of 265854 is about 515.6103179728. The cubic root of 265854 is about 64.3005073540.

It can be divided in two parts, 2 and 65854, that added together give a palindrome (65856).

The spelling of 265854 in words is "two hundred sixty-five thousand, eight hundred fifty-four".