3256217 has 2 divisors, whose sum is σ = 3256218. Its totient is φ = 3256216.

The previous prime is 3256181. The next prime is 3256229. The reversal of 3256217 is 7126523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3200521 + 55696 = 1789^2 + 236^2 .

It is a cyclic number.

It is not a de Polignac number, because 3256217 - 2¹⁰ = 3255193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3256247) 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, 1628108 + 1628109.

It is an arithmetic number, because the mean of its divisors is an integer number (1628109).

Almost surely, 2^3256217 is an apocalyptic number.

It is an amenable number.

3256217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3256217 is an equidigital number, since it uses as much as digits as its factorization.

3256217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 3256217 is about 1804.4990994733. The cubic root of 3256217 is about 148.2191937104.

The spelling of 3256217 in words is "three million, two hundred fifty-six thousand, two hundred seventeen".