7525135 has 16 divisors (see below), whose sum is σ = 9628416. Its totient is φ = 5626368.

The previous prime is 7525127. The next prime is 7525151. The reversal of 7525135 is 5315257.

It is a cyclic number.

It is not a de Polignac number, because 7525135 - 2³ = 7525127 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, 18757 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (601776).

Almost surely, 2^7525135 is an apocalyptic number.

7525135 is a deficient number, since it is larger than the sum of its proper divisors (2103281).

7525135 is a wasteful number, since it uses less digits than its factorization.

7525135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 5250, while the sum is 28.

The square root of 7525135 is about 2743.1979512970. The cubic root of 7525135 is about 195.9618053438.

The spelling of 7525135 in words is "seven million, five hundred twenty-five thousand, one hundred thirty-five".