4205135 has 16 divisors (see below), whose sum is σ = 5566752. Its totient is φ = 3024000.

The previous prime is 4205129. The next prime is 4205143. The reversal of 4205135 is 5315024.

It is not a de Polignac number, because 4205135 - 2¹⁶ = 4139599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5177 + ... + 5933.

It is an arithmetic number, because the mean of its divisors is an integer number (347922).

Almost surely, 2^4205135 is an apocalyptic number.

4205135 is a deficient number, since it is larger than the sum of its proper divisors (1361617).

4205135 is a wasteful number, since it uses less digits than its factorization.

4205135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 4205135 is about 2050.6425822166. The cubic root of 4205135 is about 161.4085914433.

It can be divided in two parts, 420 and 5135, that added together give a palindrome (5555).

The spelling of 4205135 in words is "four million, two hundred five thousand, one hundred thirty-five".