3782257 has 2 divisors, whose sum is σ = 3782258. Its totient is φ = 3782256.

The previous prime is 3782249. The next prime is 3782293. The reversal of 3782257 is 7522873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2702736 + 1079521 = 1644^2 + 1039^2 .

It is a cyclic number.

It is not a de Polignac number, because 3782257 - 2³ = 3782249 is a prime.

3782257 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3782297) 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, 1891128 + 1891129.

It is an arithmetic number, because the mean of its divisors is an integer number (1891129).

Almost surely, 2^3782257 is an apocalyptic number.

It is an amenable number.

3782257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3782257 is an equidigital number, since it uses as much as digits as its factorization.

3782257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 3782257 is about 1944.8025606729. The cubic root of 3782257 is about 155.8058207472.

The spelling of 3782257 in words is "three million, seven hundred eighty-two thousand, two hundred fifty-seven".