4265665 has 4 divisors (see below), whose sum is σ = 5118804. Its totient is φ = 3412528.

The previous prime is 4265663. The next prime is 4265683. The reversal of 4265665 is 5665624.

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 817216 + 3448449 = 904^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 4265665 - 2¹ = 4265663 is a prime.

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 4265665.

It is not an unprimeable number, because it can be changed into a prime (4265663) 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, 426562 + ... + 426571.

It is an arithmetic number, because the mean of its divisors is an integer number (1279701).

Almost surely, 2^4265665 is an apocalyptic number.

It is an amenable number.

4265665 is a deficient number, since it is larger than the sum of its proper divisors (853139).

4265665 is an equidigital number, since it uses as much as digits as its factorization.

4265665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853138.

The product of its digits is 43200, while the sum is 34.

The square root of 4265665 is about 2065.3486388501. The cubic root of 4265665 is about 162.1793598490.

The spelling of 4265665 in words is "four million, two hundred sixty-five thousand, six hundred sixty-five".