652235527321 has 27 divisors (see below), whose sum is σ = 766247228253. Its totient is φ = 553568883840.

The previous prime is 652235527309. The next prime is 652235527387. The reversal of 652235527321 is 123725532256.

The square root of 652235527321 is 807611.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 189786566025 + 462448961296 = 435645^2 + 680036^2 .

It is not a de Polignac number, because 652235527321 - 2¹¹ = 652235525273 is a prime.

It is a super-2 number, since 2×652235527321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652235527421) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 638819791 + ... + 638820811.

Almost surely, 2^652235527321 is an apocalyptic number.

652235527321 is the 807611-st square number.

652235527321 is the 403806-th centered octagonal number.

It is an amenable number.

652235527321 is a deficient number, since it is larger than the sum of its proper divisors (114011700932).

652235527321 is an frugal number, since it uses more digits than its factorization.

652235527321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 1141 counting only the distinct ones).

The product of its digits is 756000, while the sum is 43.

The spelling of 652235527321 in words is "six hundred fifty-two billion, two hundred thirty-five million, five hundred twenty-seven thousand, three hundred twenty-one".