4158265 has 4 divisors (see below), whose sum is σ = 4989924. Its totient is φ = 3326608.

The previous prime is 4158233. The next prime is 4158289. The reversal of 4158265 is 5628514.

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 1838736 + 2319529 = 1356^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 4158265 - 2⁵ = 4158233 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

4158265 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415822 + ... + 415831.

It is an arithmetic number, because the mean of its divisors is an integer number (1247481).

Almost surely, 2^4158265 is an apocalyptic number.

It is an amenable number.

4158265 is a deficient number, since it is larger than the sum of its proper divisors (831659).

4158265 is an equidigital number, since it uses as much as digits as its factorization.

4158265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831658.

The product of its digits is 9600, while the sum is 31.

The square root of 4158265 is about 2039.1824342123. The cubic root of 4158265 is about 160.8066683909.

It can be divided in two parts, 4158 and 265, that multiplied together give a triangular number (1101870 = T₁₄₈₄).

The spelling of 4158265 in words is "four million, one hundred fifty-eight thousand, two hundred sixty-five".