652666256 has 30 divisors (see below), whose sum is σ = 1389954006. Its totient is φ = 296665600.

The previous prime is 652666241. The next prime is 652666279.

652666256 is nontrivially palindromic in base 10.

652666256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 373107856 + 279558400 = 19316^2 + 16720^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166625 + ... + 170496.

Almost surely, 2^652666256 is an apocalyptic number.

It is an amenable number.

652666256 is an abundant number, since it is smaller than the sum of its proper divisors (737287750).

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

652666256 is a wasteful number, since it uses less digits than its factorization.

652666256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337151 (or 337134 counting only the distinct ones).

The product of its digits is 777600, while the sum is 44.

The square root of 652666256 is about 25547.3336377791. Note that the first 3 decimals coincide. The cubic root of 652666256 is about 867.4219076113.

The spelling of 652666256 in words is "six hundred fifty-two million, six hundred sixty-six thousand, two hundred fifty-six".