652234217 has 4 divisors (see below), whose sum is σ = 654082260. Its totient is φ = 650386176.

The previous prime is 652234211. The next prime is 652234237. The reversal of 652234217 is 712432256.

652234217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 491553241 + 160680976 = 22171^2 + 12676^2 .

It is a cyclic number.

It is not a de Polignac number, because 652234217 - 2⁴ = 652234201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652234211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923492 + ... + 924197.

It is an arithmetic number, because the mean of its divisors is an integer number (163520565).

Almost surely, 2^652234217 is an apocalyptic number.

It is an amenable number.

652234217 is a deficient number, since it is larger than the sum of its proper divisors (1848043).

652234217 is a wasteful number, since it uses less digits than its factorization.

652234217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848042.

The product of its digits is 20160, while the sum is 32.

The square root of 652234217 is about 25538.8765806172. The cubic root of 652234217 is about 867.2304658074.

The spelling of 652234217 in words is "six hundred fifty-two million, two hundred thirty-four thousand, two hundred seventeen".