4051265 has 4 divisors (see below), whose sum is σ = 4861524. Its totient is φ = 3241008.

The previous prime is 4051261. The next prime is 4051273. The reversal of 4051265 is 5621504.

4051265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2226064 + 1825201 = 1492^2 + 1351^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051265 - 2² = 4051261 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 4051265.

It is not an unprimeable number, because it can be changed into a prime (4051261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405122 + ... + 405131.

It is an arithmetic number, because the mean of its divisors is an integer number (1215381).

Almost surely, 2^4051265 is an apocalyptic number.

It is an amenable number.

4051265 is a deficient number, since it is larger than the sum of its proper divisors (810259).

4051265 is an equidigital number, since it uses as much as digits as its factorization.

4051265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810258.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 4051265 is about 2012.7754469886. The cubic root of 4051265 is about 159.4153794904.

Adding to 4051265 its reverse (5621504), we get a palindrome (9672769).

The spelling of 4051265 in words is "four million, fifty-one thousand, two hundred sixty-five".