265673 has 4 divisors (see below), whose sum is σ = 277248. Its totient is φ = 254100.

The previous prime is 265621. The next prime is 265703. The reversal of 265673 is 376562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376562 = 2 ⋅188281.

It is a cyclic number.

It is not a de Polignac number, because 265673 - 2⁸ = 265417 is a prime.

It is a d-powerful number, because it can be written as 2³ + 6³ + 6⁵ + 5⁷ + 7⁴ + 3¹¹ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (265613) 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, 5753 + ... + 5798.

It is an arithmetic number, because the mean of its divisors is an integer number (69312).

2²⁶⁵⁶⁷³ is an apocalyptic number.

265673 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

265673 is a deficient number, since it is larger than the sum of its proper divisors (11575).

265673 is a wasteful number, since it uses less digits than its factorization.

265673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574.

The product of its digits is 7560, while the sum is 29.

The square root of 265673 is about 515.4347679387. The cubic root of 265673 is about 64.2859115808.

Subtracting 265673 from its reverse (376562), we obtain a square (110889 = 333²).

The spelling of 265673 in words is "two hundred sixty-five thousand, six hundred seventy-three".