265017 has 4 divisors (see below), whose sum is σ = 353360. Its totient is φ = 176676.

The previous prime is 265007. The next prime is 265021. The reversal of 265017 is 710562.

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 265017 - 2⁷ = 264889 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264984 and 265002.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 265017.

It is not an unprimeable number, because it can be changed into a prime (265007) 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, 44167 + ... + 44172.

It is an arithmetic number, because the mean of its divisors is an integer number (88340).

2²⁶⁵⁰¹⁷ is an apocalyptic number.

It is an amenable number.

265017 is a deficient number, since it is larger than the sum of its proper divisors (88343).

265017 is an equidigital number, since it uses as much as digits as its factorization.

265017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88342.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 265017 is about 514.7980186442. The cubic root of 265017 is about 64.2329563618.

Adding to 265017 its reverse (710562), we get a palindrome (975579).

The spelling of 265017 in words is "two hundred sixty-five thousand, seventeen".