6535243 has 16 divisors (see below), whose sum is σ = 8015616. Its totient is φ = 5243040.

The previous prime is 6535241. The next prime is 6535279. The reversal of 6535243 is 3425356.

It is not a de Polignac number, because 6535243 - 2¹ = 6535241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6535241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2296 + ... + 4282.

It is an arithmetic number, because the mean of its divisors is an integer number (500976).

Almost surely, 2^6535243 is an apocalyptic number.

6535243 is a deficient number, since it is larger than the sum of its proper divisors (1480373).

6535243 is a wasteful number, since it uses less digits than its factorization.

6535243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034.

The product of its digits is 10800, while the sum is 28.

The square root of 6535243 is about 2556.4121342225. The cubic root of 6535243 is about 186.9622446583.

The spelling of 6535243 in words is "six million, five hundred thirty-five thousand, two hundred forty-three".