269285 has 4 divisors (see below), whose sum is σ = 323148. Its totient is φ = 215424.

The previous prime is 269281. The next prime is 269317. The reversal of 269285 is 582962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582962 = 2 ⋅291481.

It can be written as a sum of positive squares in 2 ways, for example, as 81796 + 187489 = 286^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 269285 - 2² = 269281 is a prime.

It is a super-2 number, since 2×269285² = 145028822450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26924 + ... + 26933.

It is an arithmetic number, because the mean of its divisors is an integer number (80787).

2²⁶⁹²⁸⁵ is an apocalyptic number.

It is an amenable number.

269285 is a deficient number, since it is larger than the sum of its proper divisors (53863).

269285 is an equidigital number, since it uses as much as digits as its factorization.

269285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53862.

The product of its digits is 8640, while the sum is 32.

The square root of 269285 is about 518.9267771083. The cubic root of 269285 is about 64.5759376431.

The spelling of 269285 in words is "two hundred sixty-nine thousand, two hundred eighty-five".