269081 has 4 divisors (see below), whose sum is σ = 274212. Its totient is φ = 263952.

The previous prime is 269069. The next prime is 269089. The reversal of 269081 is 180962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180962 = 2 ⋅90481.

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 33856 = 485^2 + 184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269081 is a prime.

It is a super-2 number, since 2×269081² = 144809169122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 269081.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 269081.

It is not an unprimeable number, because it can be changed into a prime (269089) 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, 2486 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (68553).

2²⁶⁹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

269081 is a deficient number, since it is larger than the sum of its proper divisors (5131).

269081 is an equidigital number, since it uses as much as digits as its factorization.

269081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 269081 is about 518.7301803443. The cubic root of 269081 is about 64.5596267714.

The spelling of 269081 in words is "two hundred sixty-nine thousand, eighty-one".