656484043 has 2 divisors, whose sum is σ = 656484044. Its totient is φ = 656484042.

The previous prime is 656484011. The next prime is 656484047. The reversal of 656484043 is 340484656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 656484043 - 2⁵ = 656484011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 656483987 and 656484005.

It is not a weakly prime, because it can be changed into another prime (656484047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328242021 + 328242022.

It is an arithmetic number, because the mean of its divisors is an integer number (328242022).

Almost surely, 2^656484043 is an apocalyptic number.

656484043 is a deficient number, since it is larger than the sum of its proper divisors (1).

656484043 is an equidigital number, since it uses as much as digits as its factorization.

656484043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 656484043 is about 25621.9445593031. The cubic root of 656484043 is about 869.1099555721.

The spelling of 656484043 in words is "six hundred fifty-six million, four hundred eighty-four thousand, forty-three".