7505135 has 16 divisors (see below), whose sum is σ = 9990432. Its totient is φ = 5366400.

The previous prime is 7505129. The next prime is 7505149. The reversal of 7505135 is 5315057.

It is not a de Polignac number, because 7505135 - 2²⁰ = 6456559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (624402).

Almost surely, 2^7505135 is an apocalyptic number.

7505135 is the 2237-th pentagonal number.

7505135 is a deficient number, since it is larger than the sum of its proper divisors (2485297).

7505135 is a wasteful number, since it uses less digits than its factorization.

7505135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 7505135 is about 2739.5501455531. The cubic root of 7505135 is about 195.7880448566.

It can be divided in two parts, 750 and 5135, that added together give a palindrome (5885).

The spelling of 7505135 in words is "seven million, five hundred five thousand, one hundred thirty-five".