6536506 has 4 divisors (see below), whose sum is σ = 9804762. Its totient is φ = 3268252.

The previous prime is 6536503. The next prime is 6536527. The reversal of 6536506 is 6056356.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 6125625 + 410881 = 2475^2 + 641^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6536503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634125 + ... + 1634128.

Almost surely, 2^6536506 is an apocalyptic number.

6536506 is a deficient number, since it is larger than the sum of its proper divisors (3268256).

6536506 is a wasteful number, since it uses less digits than its factorization.

6536506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268255.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 6536506 is about 2556.6591481854. The cubic root of 6536506 is about 186.9742879802.

The spelling of 6536506 in words is "six million, five hundred thirty-six thousand, five hundred six".