652123062221 has 8 divisors (see below), whose sum is σ = 655899923520. Its totient is φ = 648347687008.

The previous prime is 652123062179. The next prime is 652123062223. The reversal of 652123062221 is 122260321256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 652123062221 - 2³⁴ = 634943193037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652123062223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514760 + ... + 1252686.

It is an arithmetic number, because the mean of its divisors is an integer number (81987490440).

Almost surely, 2^652123062221 is an apocalyptic number.

It is an amenable number.

652123062221 is a deficient number, since it is larger than the sum of its proper divisors (3776861299).

652123062221 is a wasteful number, since it uses less digits than its factorization.

652123062221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743043.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 652123062221 its reverse (122260321256), we get a palindrome (774383383477).

The spelling of 652123062221 in words is "six hundred fifty-two billion, one hundred twenty-three million, sixty-two thousand, two hundred twenty-one".