652664871 has 10 divisors (see below), whose sum is σ = 974968632. Its totient is φ = 435109860.

The previous prime is 652664869. The next prime is 652664893. The reversal of 652664871 is 178466256.

652664871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 652664871 - 2¹ = 652664869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652664821) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4028715 + ... + 4028876.

Almost surely, 2^652664871 is an apocalyptic number.

652664871 is a deficient number, since it is larger than the sum of its proper divisors (322303761).

652664871 is an equidigital number, since it uses as much as digits as its factorization.

652664871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8057603 (or 8057594 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 652664871 is about 25547.3065312177. The cubic root of 652664871 is about 867.4212940357.

The spelling of 652664871 in words is "six hundred fifty-two million, six hundred sixty-four thousand, eight hundred seventy-one".