652399288 has 8 divisors (see below), whose sum is σ = 1223248680. Its totient is φ = 326199640.

The previous prime is 652399249. The next prime is 652399289. The reversal of 652399288 is 882993256.

It is a happy number.

652399288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652399289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40774948 + ... + 40774963.

It is an arithmetic number, because the mean of its divisors is an integer number (152906085).

Almost surely, 2^652399288 is an apocalyptic number.

It is an amenable number.

652399288 is a deficient number, since it is larger than the sum of its proper divisors (570849392).

652399288 is a wasteful number, since it uses less digits than its factorization.

652399288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81549917 (or 81549913 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 652399288 is about 25542.1081353909. The cubic root of 652399288 is about 867.3036207782.

The spelling of 652399288 in words is "six hundred fifty-two million, three hundred ninety-nine thousand, two hundred eighty-eight".