656959 has 2 divisors, whose sum is σ = 656960. Its totient is φ = 656958.

The previous prime is 656951. The next prime is 656977. The reversal of 656959 is 959656.

656959 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 is a cyclic number.

It is not a de Polignac number, because 656959 - 2³ = 656951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328479 + 328480.

It is an arithmetic number, because the mean of its divisors is an integer number (328480).

2⁶⁵⁶⁹⁵⁹ is an apocalyptic number.

656959 is a deficient number, since it is larger than the sum of its proper divisors (1).

656959 is an equidigital number, since it uses as much as digits as its factorization.

656959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 40.

The square root of 656959 is about 810.5300734704. The cubic root of 656959 is about 86.9319501335.

It can be divided in two parts, 6 and 56959, that added together give a palindrome (56965).

The spelling of 656959 in words is "six hundred fifty-six thousand, nine hundred fifty-nine".