656608093 has 2 divisors, whose sum is σ = 656608094. Its totient is φ = 656608092.

The previous prime is 656608081. The next prime is 656608097. The reversal of 656608093 is 390806656.

656608093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521071929 + 135536164 = 22827^2 + 11642^2 .

It is a cyclic number.

It is not a de Polignac number, because 656608093 - 2¹⁷ = 656477021 is a prime.

It is a super-2 number, since 2×656608093² = 862268375586193298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656608097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328304046 + 328304047.

It is an arithmetic number, because the mean of its divisors is an integer number (328304047).

Almost surely, 2^656608093 is an apocalyptic number.

It is an amenable number.

656608093 is a deficient number, since it is larger than the sum of its proper divisors (1).

656608093 is an equidigital number, since it uses as much as digits as its factorization.

656608093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 656608093 is about 25624.3652214060. The cubic root of 656608093 is about 869.1646948056.

The spelling of 656608093 in words is "six hundred fifty-six million, six hundred eight thousand, ninety-three".