4320265 has 4 divisors (see below), whose sum is σ = 5184324. Its totient is φ = 3456208.

The previous prime is 4320257. The next prime is 4320269. The reversal of 4320265 is 5620234.

It is a happy number.

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 2238016 + 2082249 = 1496^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320265 - 2³ = 4320257 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 (4320269) 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, 432022 + ... + 432031.

It is an arithmetic number, because the mean of its divisors is an integer number (1296081).

Almost surely, 2^4320265 is an apocalyptic number.

It is an amenable number.

4320265 is a deficient number, since it is larger than the sum of its proper divisors (864059).

4320265 is an equidigital number, since it uses as much as digits as its factorization.

4320265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864058.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 4320265 is about 2078.5247171973. The cubic root of 4320265 is about 162.8683871159.

Adding to 4320265 its reverse (5620234), we get a palindrome (9940499).

The spelling of 4320265 in words is "four million, three hundred twenty thousand, two hundred sixty-five".