265043 has 4 divisors (see below), whose sum is σ = 268848. Its totient is φ = 261240.

The previous prime is 265037. The next prime is 265079. The reversal of 265043 is 340562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265043 - 2⁸ = 264787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265003) 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, 1796 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (67212).

2²⁶⁵⁰⁴³ is an apocalyptic number.

265043 is a deficient number, since it is larger than the sum of its proper divisors (3805).

265043 is an equidigital number, since it uses as much as digits as its factorization.

265043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 265043 is about 514.8232706473. The cubic root of 265043 is about 64.2350568588.

The spelling of 265043 in words is "two hundred sixty-five thousand, forty-three".