4265 has 4 divisors (see below), whose sum is σ = 5124. Its totient is φ = 3408.

The previous prime is 4261. The next prime is 4271. The reversal of 4265 is 5624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 784 + 3481 = 28^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 4265 - 2² = 4261 is a prime.

It is a magnanimous number.

It is a d-powerful number, because it can be written as 4⁶ + 6² + 2⁷ + 5 .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4265.

It is not an unprimeable number, because it can be changed into a prime (4261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 431.

It is an arithmetic number, because the mean of its divisors is an integer number (1281).

2⁴²⁶⁵ is an apocalyptic number.

It is an amenable number.

4265 is a deficient number, since it is larger than the sum of its proper divisors (859).

4265 is an equidigital number, since it uses as much as digits as its factorization.

4265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its digits is 240, while the sum is 17.

The square root of 4265 is about 65.3069674690. The cubic root of 4265 is about 16.2170931708.

Adding to 4265 its reverse (5624), we get a palindrome (9889).

The spelling of 4265 in words is "four thousand, two hundred sixty-five".