652548520 has 64 divisors (see below), whose sum is σ = 1591445520. Its totient is φ = 239376384.

The previous prime is 652548493. The next prime is 652548527. The reversal of 652548520 is 25845256.

It can be written as a sum of positive squares in 8 ways, for example, as 18818244 + 633730276 = 4338^2 + 25174^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 652548520.

It is not an unprimeable number, because it can be changed into a prime (652548527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77644 + ... + 85636.

Almost surely, 2^652548520 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 652548520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795722760).

652548520 is an abundant number, since it is smaller than the sum of its proper divisors (938897000).

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

652548520 is a wasteful number, since it uses less digits than its factorization.

652548520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174 (or 8170 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 652548520 is about 25545.0292620698. The cubic root of 652548520 is about 867.3697457157.

The spelling of 652548520 in words is "six hundred fifty-two million, five hundred forty-eight thousand, five hundred twenty".