6530806 has 4 divisors (see below), whose sum is σ = 9796212. Its totient is φ = 3265402.

The previous prime is 6530803. The next prime is 6530807. The reversal of 6530806 is 6080356.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632700 + ... + 1632703.

It is an arithmetic number, because the mean of its divisors is an integer number (2449053).

Almost surely, 2^6530806 is an apocalyptic number.

6530806 is a deficient number, since it is larger than the sum of its proper divisors (3265406).

6530806 is a wasteful number, since it uses less digits than its factorization.

6530806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265405.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6530806 is about 2555.5441690568. The cubic root of 6530806 is about 186.9199233915.

The spelling of 6530806 in words is "six million, five hundred thirty thousand, eight hundred six".