4155005 has 16 divisors (see below), whose sum is σ = 5157120. Its totient is φ = 3212352.

The previous prime is 4154999. The next prime is 4155007. The reversal of 4155005 is 5005514.

It is a cyclic number.

It is not a de Polignac number, because 4155005 - 2²⁰ = 3106429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26387 + ... + 26543.

It is an arithmetic number, because the mean of its divisors is an integer number (322320).

Almost surely, 2^4155005 is an apocalyptic number.

It is an amenable number.

4155005 is a deficient number, since it is larger than the sum of its proper divisors (1002115).

4155005 is a wasteful number, since it uses less digits than its factorization.

4155005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 4155005 is about 2038.3829375267. The cubic root of 4155005 is about 160.7646342898.

The spelling of 4155005 in words is "four million, one hundred fifty-five thousand, five".