652656 has 20 divisors (see below), whose sum is σ = 1686152. Its totient is φ = 217536.

The previous prime is 652651. The next prime is 652657. The reversal of 652656 is 656256.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652651) by changing a digit.

652656 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6751 + ... + 6846.

2⁶⁵²⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

652656 is an abundant number, since it is smaller than the sum of its proper divisors (1033496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

652656 is a wasteful number, since it uses less digits than its factorization.

652656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608 (or 13602 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 652656 is about 807.8712768752. The cubic root of 652656 is about 86.7417364030.

Subtracting 652656 from its reverse (656256), we obtain a square (3600 = 60²).

The spelling of 652656 in words is "six hundred fifty-two thousand, six hundred fifty-six".