4005265 has 8 divisors (see below), whose sum is σ = 5243328. Its totient is φ = 2912880.

The previous prime is 4005241. The next prime is 4005271. The reversal of 4005265 is 5625004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4005265 - 2⁵ = 4005233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36357 + ... + 36466.

It is an arithmetic number, because the mean of its divisors is an integer number (655416).

Almost surely, 2^4005265 is an apocalyptic number.

It is an amenable number.

4005265 is a deficient number, since it is larger than the sum of its proper divisors (1238063).

4005265 is a wasteful number, since it uses less digits than its factorization.

4005265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72839.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4005265 is about 2001.3158171563. The cubic root of 4005265 is about 158.8097218826.

It can be divided in two parts, 400 and 5265, that added together give a palindrome (5665).

The spelling of 4005265 in words is "four million, five thousand, two hundred sixty-five".