3256486417 has 2 divisors, whose sum is σ = 3256486418. Its totient is φ = 3256486416.

The previous prime is 3256486379. The next prime is 3256486423. The reversal of 3256486417 is 7146846523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2408453776 + 848032641 = 49076^2 + 29121^2 .

It is a cyclic number.

It is not a de Polignac number, because 3256486417 - 2¹¹ = 3256484369 is a prime.

It is not a weakly prime, because it can be changed into another prime (3256486427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628243208 + 1628243209.

It is an arithmetic number, because the mean of its divisors is an integer number (1628243209).

Almost surely, 2^3256486417 is an apocalyptic number.

It is an amenable number.

3256486417 is a deficient number, since it is larger than the sum of its proper divisors (1).

3256486417 is an equidigital number, since it uses as much as digits as its factorization.

3256486417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

The square root of 3256486417 is about 57065.6325383326. The cubic root of 3256486417 is about 1482.2328144668.

The spelling of 3256486417 in words is "three billion, two hundred fifty-six million, four hundred eighty-six thousand, four hundred seventeen".