652972572 has 72 divisors (see below), whose sum is σ = 1905883616. Its totient is φ = 184633344.

The previous prime is 652972571. The next prime is 652972631. The reversal of 652972572 is 275279256.

652972572 is a `hidden beast` number, since 6 + 5 + 2 + 9 + 72 + 572 = 666.

652972572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652972571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11088 + ... + 37800.

Almost surely, 2^652972572 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 652972572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952941808).

652972572 is an abundant number, since it is smaller than the sum of its proper divisors (1252911044).

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

652972572 is a wasteful number, since it uses less digits than its factorization.

652972572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26827 (or 26822 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 652972572 is about 25553.3280024344. The cubic root of 652972572 is about 867.5575888264.

The spelling of 652972572 in words is "six hundred fifty-two million, nine hundred seventy-two thousand, five hundred seventy-two".