3581265 has 16 divisors (see below), whose sum is σ = 5757696. Its totient is φ = 1900800.

The previous prime is 3581257. The next prime is 3581269. The reversal of 3581265 is 5621853.

3581265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3581265 - 2³ = 3581257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3581269) 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 15 ways as a sum of consecutive naturals, for example, 3625 + ... + 4505.

It is an arithmetic number, because the mean of its divisors is an integer number (359856).

Almost surely, 2^3581265 is an apocalyptic number.

It is an amenable number.

3581265 is a deficient number, since it is larger than the sum of its proper divisors (2176431).

3581265 is a wasteful number, since it uses less digits than its factorization.

3581265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its digits is 7200, while the sum is 30.

The square root of 3581265 is about 1892.4230499547. The cubic root of 3581265 is about 152.9955571353.

The spelling of 3581265 in words is "three million, five hundred eighty-one thousand, two hundred sixty-five".