2321265 has 16 divisors (see below), whose sum is σ = 3932928. Its totient is φ = 1165056.

The previous prime is 2321243. The next prime is 2321273. The reversal of 2321265 is 5621232.

It is not a de Polignac number, because 2321265 - 2⁸ = 2321009 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 3⁷ + 2¹⁴ + 1 + 2¹⁶ + 6⁷ + 5⁹ .

It is a Curzon number.

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, 4297 + ... + 4806.

It is an arithmetic number, because the mean of its divisors is an integer number (245808).

2^2321265 is an apocalyptic number.

It is an amenable number.

2321265 is a deficient number, since it is larger than the sum of its proper divisors (1611663).

2321265 is a wasteful number, since it uses less digits than its factorization.

2321265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128.

The product of its digits is 720, while the sum is 21.

The square root of 2321265 is about 1523.5698211766. The cubic root of 2321265 is about 132.4061754193.

Adding to 2321265 its reverse (5621232), we get a palindrome (7942497).

The spelling of 2321265 in words is "two million, three hundred twenty-one thousand, two hundred sixty-five".