6523135 has 4 divisors (see below), whose sum is σ = 7827768. Its totient is φ = 5218504.

The previous prime is 6523133. The next prime is 6523163. The reversal of 6523135 is 5313256.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6523135 - 2¹ = 6523133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652309 + ... + 652318.

It is an arithmetic number, because the mean of its divisors is an integer number (1956942).

Almost surely, 2^6523135 is an apocalyptic number.

6523135 is a deficient number, since it is larger than the sum of its proper divisors (1304633).

6523135 is a wasteful number, since it uses less digits than its factorization.

6523135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304632.

The product of its digits is 2700, while the sum is 25.

The square root of 6523135 is about 2554.0428735634. The cubic root of 6523135 is about 186.8467101466.

The spelling of 6523135 in words is "six million, five hundred twenty-three thousand, one hundred thirty-five".