652511643 has 8 divisors (see below), whose sum is σ = 994303488. Its totient is φ = 372863784.

The previous prime is 652511641. The next prime is 652511659. The reversal of 652511643 is 346115256.

652511643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 652511643 - 2¹ = 652511641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652511641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15535971 + ... + 15536012.

It is an arithmetic number, because the mean of its divisors is an integer number (124287936).

Almost surely, 2^652511643 is an apocalyptic number.

652511643 is a deficient number, since it is larger than the sum of its proper divisors (341791845).

652511643 is a wasteful number, since it uses less digits than its factorization.

652511643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31071993.

The product of its digits is 21600, while the sum is 33.

The square root of 652511643 is about 25544.3074480402. The cubic root of 652511643 is about 867.3534063960.

Adding to 652511643 its reverse (346115256), we get a palindrome (998626899).

The spelling of 652511643 in words is "six hundred fifty-two million, five hundred eleven thousand, six hundred forty-three".