652111888 has 20 divisors (see below), whose sum is σ = 1294284348. Its totient is φ = 318103040.

The previous prime is 652111883. The next prime is 652111897. The reversal of 652111888 is 888111256.

It can be written as a sum of positive squares in 2 ways, for example, as 392515344 + 259596544 = 19812^2 + 16112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 652111888.

It is not an unprimeable number, because it can be changed into a prime (652111883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496381 + ... + 497692.

Almost surely, 2^652111888 is an apocalyptic number.

It is an amenable number.

652111888 is a deficient number, since it is larger than the sum of its proper divisors (642172460).

652111888 is a wasteful number, since it uses less digits than its factorization.

652111888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994122 (or 994116 counting only the distinct ones).

The product of its digits is 30720, while the sum is 40.

The square root of 652111888 is about 25536.4815117510. The cubic root of 652111888 is about 867.1762449637.

The spelling of 652111888 in words is "six hundred fifty-two million, one hundred eleven thousand, eight hundred eighty-eight".