652447223 has 2 divisors, whose sum is σ = 652447224. Its totient is φ = 652447222.

The previous prime is 652447189. The next prime is 652447231. The reversal of 652447223 is 322744256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652447223 - 2²² = 648252919 is a prime.

It is equal to p_33913943 and since 652447223 and 33913943 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652447283) 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 as a sum of consecutive naturals, namely, 326223611 + 326223612.

It is an arithmetic number, because the mean of its divisors is an integer number (326223612).

Almost surely, 2^652447223 is an apocalyptic number.

652447223 is a deficient number, since it is larger than the sum of its proper divisors (1).

652447223 is an equidigital number, since it uses as much as digits as its factorization.

652447223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 35.

The square root of 652447223 is about 25543.0464706151. The cubic root of 652447223 is about 867.3248619524.

The spelling of 652447223 in words is "six hundred fifty-two million, four hundred forty-seven thousand, two hundred twenty-three".