3278257 has 2 divisors, whose sum is σ = 3278258. Its totient is φ = 3278256.

The previous prime is 3278239. The next prime is 3278267. The reversal of 3278257 is 7528723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 5776 = 1809^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 3278257 - 2⁷ = 3278129 is a prime.

It is not a weakly prime, because it can be changed into another prime (3278207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639128 + 1639129.

It is an arithmetic number, because the mean of its divisors is an integer number (1639129).

Almost surely, 2^3278257 is an apocalyptic number.

It is an amenable number.

3278257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3278257 is an equidigital number, since it uses as much as digits as its factorization.

3278257 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 3278257 is about 1810.5957583072. The cubic root of 3278257 is about 148.5528537200.

The spelling of 3278257 in words is "three million, two hundred seventy-eight thousand, two hundred fifty-seven".