656460853 has 2 divisors, whose sum is σ = 656460854. Its totient is φ = 656460852.

The previous prime is 656460839. The next prime is 656460869. The reversal of 656460853 is 358064656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656281924 + 178929 = 25618^2 + 423^2 .

It is a cyclic number.

It is not a de Polignac number, because 656460853 - 2⁹ = 656460341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656460823) 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, 328230426 + 328230427.

It is an arithmetic number, because the mean of its divisors is an integer number (328230427).

Almost surely, 2^656460853 is an apocalyptic number.

It is an amenable number.

656460853 is a deficient number, since it is larger than the sum of its proper divisors (1).

656460853 is an equidigital number, since it uses as much as digits as its factorization.

656460853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 656460853 is about 25621.4920135421. The cubic root of 656460853 is about 869.0997218138.

The spelling of 656460853 in words is "six hundred fifty-six million, four hundred sixty thousand, eight hundred fifty-three".