3256465657 has 2 divisors, whose sum is σ = 3256465658. Its totient is φ = 3256465656.

The previous prime is 3256465643. The next prime is 3256465691. The reversal of 3256465657 is 7565646523.

3256465657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2228878521 + 1027587136 = 47211^2 + 32056^2 .

It is a cyclic number.

It is not a de Polignac number, because 3256465657 - 2¹⁹ = 3255941369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3256465657.

It is not a weakly prime, because it can be changed into another prime (3256465607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628232828 + 1628232829.

It is an arithmetic number, because the mean of its divisors is an integer number (1628232829).

Almost surely, 2^3256465657 is an apocalyptic number.

It is an amenable number.

3256465657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3256465657 is an equidigital number, since it uses as much as digits as its factorization.

3256465657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 49.

The square root of 3256465657 is about 57065.4506422231. The cubic root of 3256465657 is about 1482.2296647307.

The spelling of 3256465657 in words is "three billion, two hundred fifty-six million, four hundred sixty-five thousand, six hundred fifty-seven".