656459 has 2 divisors, whose sum is σ = 656460. Its totient is φ = 656458.

The previous prime is 656429. The next prime is 656471. The reversal of 656459 is 954656.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 656459 - 2¹⁶ = 590923 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6³ + 5 + 4² + 6⁶ + 5⁷ + 9⁶ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 656459.

It is not a weakly prime, because it can be changed into another prime (656429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328229 + 328230.

It is an arithmetic number, because the mean of its divisors is an integer number (328230).

2⁶⁵⁶⁴⁵⁹ is an apocalyptic number.

656459 is a deficient number, since it is larger than the sum of its proper divisors (1).

656459 is an equidigital number, since it uses as much as digits as its factorization.

656459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 656459 is about 810.2215746325. The cubic root of 656459 is about 86.9098904074.

It can be divided in two parts, 6 and 56459, that added together give a palindrome (56465).

The spelling of 656459 in words is "six hundred fifty-six thousand, four hundred fifty-nine".