4321265 has 16 divisors (see below), whose sum is σ = 5880000. Its totient is φ = 3022272.

The previous prime is 4321259. The next prime is 4321327. The reversal of 4321265 is 5621234.

It is a cyclic number.

It is not a de Polignac number, because 4321265 - 2¹⁰ = 4320241 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 3 + 2⁷ + 1 + 2¹¹ + 6⁶ + 5⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 4321265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (367500).

Almost surely, 2^4321265 is an apocalyptic number.

It is an amenable number.

4321265 is a deficient number, since it is larger than the sum of its proper divisors (1558735).

4321265 is a wasteful number, since it uses less digits than its factorization.

4321265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536.

The product of its digits is 1440, while the sum is 23.

The square root of 4321265 is about 2078.7652585129. The cubic root of 4321265 is about 162.8809523808.

Adding to 4321265 its reverse (5621234), we get a palindrome (9942499).

The spelling of 4321265 in words is "four million, three hundred twenty-one thousand, two hundred sixty-five".