265973 has 4 divisors (see below), whose sum is σ = 271680. Its totient is φ = 260268.

The previous prime is 265961. The next prime is 265987. The reversal of 265973 is 379562.

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.

It is a cyclic number.

It is not a de Polignac number, because 265973 - 2⁴ = 265957 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 (265273) 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, 2783 + ... + 2876.

It is an arithmetic number, because the mean of its divisors is an integer number (67920).

2²⁶⁵⁹⁷³ is an apocalyptic number.

It is an amenable number.

265973 is a deficient number, since it is larger than the sum of its proper divisors (5707).

265973 is an equidigital number, since it uses as much as digits as its factorization.

265973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706.

The product of its digits is 11340, while the sum is 32.

The square root of 265973 is about 515.7257022876. The cubic root of 265973 is about 64.3100998609.

The spelling of 265973 in words is "two hundred sixty-five thousand, nine hundred seventy-three".