6520226 has 4 divisors (see below), whose sum is σ = 9780342. Its totient is φ = 3260112.

The previous prime is 6520223. The next prime is 6520253. The reversal of 6520226 is 6220256.

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., 6255001 + 265225 = 2501^2 + 515^2 .

It is not an unprimeable number, because it can be changed into a prime (6520223) 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 as a sum of consecutive naturals, namely, 1630055 + ... + 1630058.

Almost surely, 2^6520226 is an apocalyptic number.

6520226 is a deficient number, since it is larger than the sum of its proper divisors (3260116).

6520226 is a wasteful number, since it uses less digits than its factorization.

6520226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260115.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6520226 is about 2553.4733207927. The cubic root of 6520226 is about 186.8189311775.

The spelling of 6520226 in words is "six million, five hundred twenty thousand, two hundred twenty-six".