265853 has 8 divisors (see below), whose sum is σ = 307008. Its totient is φ = 225504.

The previous prime is 265847. The next prime is 265861. The reversal of 265853 is 358562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265853 - 2¹⁰ = 264829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 1257.

It is an arithmetic number, because the mean of its divisors is an integer number (38376).

2²⁶⁵⁸⁵³ is an apocalyptic number.

It is an amenable number.

265853 is a deficient number, since it is larger than the sum of its proper divisors (41155).

265853 is a wasteful number, since it uses less digits than its factorization.

265853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its digits is 7200, while the sum is 29.

The square root of 265853 is about 515.6093482473. The cubic root of 265853 is about 64.3004267326.

The spelling of 265853 in words is "two hundred sixty-five thousand, eight hundred fifty-three".