652104321 has 16 divisors (see below), whose sum is σ = 950227200. Its totient is φ = 394501520.

The previous prime is 652104289. The next prime is 652104361. The reversal of 652104321 is 123401256.

It is a cyclic number.

It is not a de Polignac number, because 652104321 - 2⁵ = 652104289 is a prime.

It is a super-3 number, since 3×652104321³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 652104291 and 652104300.

It is not an unprimeable number, because it can be changed into a prime (652104361) 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, 1030 + ... + 36128.

It is an arithmetic number, because the mean of its divisors is an integer number (59389200).

Almost surely, 2^652104321 is an apocalyptic number.

It is an amenable number.

652104321 is a deficient number, since it is larger than the sum of its proper divisors (298122879).

652104321 is a wasteful number, since it uses less digits than its factorization.

652104321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35676.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 652104321 is about 25536.3333507377. Note that the first 4 decimals coincide. The cubic root of 652104321 is about 867.1728907601.

Adding to 652104321 its reverse (123401256), we get a palindrome (775505577).

The spelling of 652104321 in words is "six hundred fifty-two million, one hundred four thousand, three hundred twenty-one".