652556520 has 768 divisors, whose sum is σ = 2954880000. Its totient is φ = 126282240.

The previous prime is 652556497. The next prime is 652556537. The reversal of 652556520 is 25655256.

652556520 is a `hidden beast` number, since 6 + 52 + 556 + 52 + 0 = 666.

652556520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11060251 + ... + 11060309.

It is an arithmetic number, because the mean of its divisors is an integer number (3847500).

Almost surely, 2^652556520 is an apocalyptic number.

652556520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652556520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477440000).

652556520 is an abundant number, since it is smaller than the sum of its proper divisors (2302323480).

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

652556520 is a wasteful number, since it uses less digits than its factorization.

652556520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 652556520 is about 25545.1858478266. The cubic root of 652556520 is about 867.3732902437.

The spelling of 652556520 in words is "six hundred fifty-two million, five hundred fifty-six thousand, five hundred twenty".