656363 has 6 divisors (see below), whose sum is σ = 679212. Its totient is φ = 634260.

The previous prime is 656347. The next prime is 656371. The reversal of 656363 is 363656.

656363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 656363 - 2⁴ = 656347 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (113202).

2⁶⁵⁶³⁶³ is an apocalyptic number.

656363 is a deficient number, since it is larger than the sum of its proper divisors (22849).

656363 is an equidigital number, since it uses as much as digits as its factorization.

656363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 714 counting only the distinct ones).

The product of its digits is 9720, while the sum is 29.

The square root of 656363 is about 810.1623294131. The cubic root of 656363 is about 86.9056536583.

It can be divided in two parts, 65 and 6363, that multiplied together give a triangular number (413595 = T₉₀₉).

The spelling of 656363 in words is "six hundred fifty-six thousand, three hundred sixty-three".