656311 has 2 divisors, whose sum is σ = 656312. Its totient is φ = 656310.

The previous prime is 656303. The next prime is 656321. The reversal of 656311 is 113656.

656311 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 656311 - 2³ = 656303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328155 + 328156.

It is an arithmetic number, because the mean of its divisors is an integer number (328156).

2⁶⁵⁶³¹¹ is an apocalyptic number.

656311 is a deficient number, since it is larger than the sum of its proper divisors (1).

656311 is an equidigital number, since it uses as much as digits as its factorization.

656311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 22.

The square root of 656311 is about 810.1302364435. The cubic root of 656311 is about 86.9033585800.

Adding to 656311 its reverse (113656), we get a palindrome (769967).

The spelling of 656311 in words is "six hundred fifty-six thousand, three hundred eleven".