4135523 has 8 divisors (see below), whose sum is σ = 4791648. Its totient is φ = 3495744.

The previous prime is 4135519. The next prime is 4135529. The reversal of 4135523 is 3255314.

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

It is not a de Polignac number, because 4135523 - 2² = 4135519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4135529) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3536 + ... + 4557.

It is an arithmetic number, because the mean of its divisors is an integer number (598956).

Almost surely, 2^4135523 is an apocalyptic number.

4135523 is a deficient number, since it is larger than the sum of its proper divisors (656125).

4135523 is an equidigital number, since it uses as much as digits as its factorization.

4135523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173.

The product of its digits is 1800, while the sum is 23.

The square root of 4135523 is about 2033.5985346179. The cubic root of 4135523 is about 160.5129759859.

The spelling of 4135523 in words is "four million, one hundred thirty-five thousand, five hundred twenty-three".