265953 has 4 divisors (see below), whose sum is σ = 354608. Its totient is φ = 177300.

The previous prime is 265921. The next prime is 265957. The reversal of 265953 is 359562.

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 not a de Polignac number, because 265953 - 2⁵ = 265921 is a prime.

It is a super-3 number, since 3×265953³ = 56433363500034531, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265953.

It is not an unprimeable number, because it can be changed into a prime (265957) 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, 44323 + ... + 44328.

It is an arithmetic number, because the mean of its divisors is an integer number (88652).

2²⁶⁵⁹⁵³ is an apocalyptic number.

It is an amenable number.

265953 is a deficient number, since it is larger than the sum of its proper divisors (88655).

265953 is an equidigital number, since it uses as much as digits as its factorization.

265953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88654.

The product of its digits is 8100, while the sum is 30.

The square root of 265953 is about 515.7063117706. The cubic root of 265953 is about 64.3084878749.

The spelling of 265953 in words is "two hundred sixty-five thousand, nine hundred fifty-three".