4261265 has 4 divisors (see below), whose sum is σ = 5113524. Its totient is φ = 3409008.

The previous prime is 4261261. The next prime is 4261273. The reversal of 4261265 is 5621624.

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 3341584 + 919681 = 1828^2 + 959^2 .

It is a cyclic number.

It is not a de Polignac number, because 4261265 - 2² = 4261261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4261261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426122 + ... + 426131.

It is an arithmetic number, because the mean of its divisors is an integer number (1278381).

Almost surely, 2^4261265 is an apocalyptic number.

It is an amenable number.

4261265 is a deficient number, since it is larger than the sum of its proper divisors (852259).

4261265 is an equidigital number, since it uses as much as digits as its factorization.

4261265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852258.

The product of its digits is 2880, while the sum is 26.

The square root of 4261265 is about 2064.2831685600. The cubic root of 4261265 is about 162.1235784192.

Adding to 4261265 its reverse (5621624), we get a palindrome (9882889).

The spelling of 4261265 in words is "four million, two hundred sixty-one thousand, two hundred sixty-five".