652705520 has 60 divisors (see below), whose sum is σ = 1531881864. Its totient is φ = 258635520.

The previous prime is 652705517. The next prime is 652705577. The reversal of 652705520 is 25507256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971755 + ... + 1972085.

Almost surely, 2^652705520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652705520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765940932).

652705520 is an abundant number, since it is smaller than the sum of its proper divisors (879176344).

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

652705520 is a wasteful number, since it uses less digits than its factorization.

652705520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 652705520 is about 25548.1020821508. The cubic root of 652705520 is about 867.4393017850.

The spelling of 652705520 in words is "six hundred fifty-two million, seven hundred five thousand, five hundred twenty".