6782249 has 2 divisors, whose sum is σ = 6782250. Its totient is φ = 6782248.

The previous prime is 6782239. The next prime is 6782257. The reversal of 6782249 is 9422876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3396649 + 3385600 = 1843^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 6782249 - 2¹² = 6778153 is a prime.

It is not a weakly prime, because it can be changed into another prime (6782239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3391124 + 3391125.

It is an arithmetic number, because the mean of its divisors is an integer number (3391125).

Almost surely, 2^6782249 is an apocalyptic number.

It is an amenable number.

6782249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6782249 is an equidigital number, since it uses as much as digits as its factorization.

6782249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 6782249 is about 2604.2751390742. The cubic root of 6782249 is about 189.2886512487.

It can be divided in two parts, 678224 and 9, that multiplied together give a palindrome (6104016).

The spelling of 6782249 in words is "six million, seven hundred eighty-two thousand, two hundred forty-nine".