6782225 has 6 divisors (see below), whose sum is σ = 8409990. Its totient is φ = 5425760.

The previous prime is 6782197. The next prime is 6782231. The reversal of 6782225 is 5222876.

It can be written as a sum of positive squares in 3 ways, for example, as 1132096 + 5650129 = 1064^2 + 2377^2 .

It is not a de Polignac number, because 6782225 - 2¹⁸ = 6520081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6782191 and 6782200.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 135620 + ... + 135669.

It is an arithmetic number, because the mean of its divisors is an integer number (1401665).

Almost surely, 2^6782225 is an apocalyptic number.

It is an amenable number.

6782225 is a deficient number, since it is larger than the sum of its proper divisors (1627765).

6782225 is a wasteful number, since it uses less digits than its factorization.

6782225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271299 (or 271294 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 6782225 is about 2604.2705312621. The cubic root of 6782225 is about 189.2884279731.

It can be divided in two parts, 6782 and 225, that added together give a palindrome (7007).

The spelling of 6782225 in words is "six million, seven hundred eighty-two thousand, two hundred twenty-five".