656089327 has 2 divisors, whose sum is σ = 656089328. Its totient is φ = 656089326.

The previous prime is 656089321. The next prime is 656089331. The reversal of 656089327 is 723980656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 656089327 - 2⁷ = 656089199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656089321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328044663 + 328044664.

It is an arithmetic number, because the mean of its divisors is an integer number (328044664).

Almost surely, 2^656089327 is an apocalyptic number.

656089327 is a deficient number, since it is larger than the sum of its proper divisors (1).

656089327 is an equidigital number, since it uses as much as digits as its factorization.

656089327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 656089327 is about 25614.2407070754. The cubic root of 656089327 is about 868.9357343371.

The spelling of 656089327 in words is "six hundred fifty-six million, eighty-nine thousand, three hundred twenty-seven".