656263 has 2 divisors, whose sum is σ = 656264.
Its totient is φ = 656262.
The previous prime is 656237. The next prime is 656267. The reversal of 656263 is 362656.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 656263 - 217 = 525191 is a prime.
It is a super-2 number, since 2×6562632 = 861362250338, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (656267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328131 + 328132.
It is an arithmetic number, because the mean of its divisors is an integer number (328132).
2656263 is an apocalyptic number.
656263 is a deficient number, since it is larger than the sum of its proper divisors (1).
656263 is an equidigital number, since it uses as much as digits as its factorization.
656263 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6480, while the sum is 28.
The square root of 656263 is about 810.1006110354.
The cubic root of 656263 is about 86.9012399386.
It can be divided in two parts, 65626 and 3, that multiplied together give a triangular number (196878 = T627).
The spelling of 656263 in words is "six hundred fifty-six thousand, two hundred sixty-three".