4265865 has 24 divisors (see below), whose sum is σ = 7670208. Its totient is φ = 2274480.

The previous prime is 4265843. The next prime is 4265881. The reversal of 4265865 is 5685624.

It is not a de Polignac number, because 4265865 - 2⁶ = 4265801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (319592).

Almost surely, 2^4265865 is an apocalyptic number.

4265865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4265865 is a deficient number, since it is larger than the sum of its proper divisors (3404343).

4265865 is an equidigital number, since it uses as much as digits as its factorization.

4265865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531 (or 3519 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4265865 is about 2065.3970562582. The cubic root of 4265865 is about 162.1818944569.

The spelling of 4265865 in words is "four million, two hundred sixty-five thousand, eight hundred sixty-five".