652399508 has 24 divisors (see below), whose sum is σ = 1200740352. Its totient is φ = 309554784.

The previous prime is 652399499. The next prime is 652399537. The reversal of 652399508 is 805993256.

652399508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16235 + ... + 39602.

It is an arithmetic number, because the mean of its divisors is an integer number (50030848).

Almost surely, 2^652399508 is an apocalyptic number.

It is an amenable number.

652399508 is a deficient number, since it is larger than the sum of its proper divisors (548340844).

652399508 is a wasteful number, since it uses less digits than its factorization.

652399508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55991 (or 55989 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 652399508 is about 25542.1124420045. The cubic root of 652399508 is about 867.3037182679.

It can be divided in two parts, 65239 and 9508, that added together give a palindrome (74747).

The spelling of 652399508 in words is "six hundred fifty-two million, three hundred ninety-nine thousand, five hundred eight".