652847215 has 4 divisors (see below), whose sum is σ = 783416664. Its totient is φ = 522277768.

The previous prime is 652847191. The next prime is 652847303. The reversal of 652847215 is 512748256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 652847215 - 2¹⁷ = 652716143 is a prime.

It is a super-2 number, since 2×652847215² = 852418972266512450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65284717 + ... + 65284726.

It is an arithmetic number, because the mean of its divisors is an integer number (195854166).

Almost surely, 2^652847215 is an apocalyptic number.

652847215 is a deficient number, since it is larger than the sum of its proper divisors (130569449).

652847215 is a wasteful number, since it uses less digits than its factorization.

652847215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130569448.

The product of its digits is 134400, while the sum is 40.

The square root of 652847215 is about 25550.8750339396. The cubic root of 652847215 is about 867.5020676700.

The spelling of 652847215 in words is "six hundred fifty-two million, eight hundred forty-seven thousand, two hundred fifteen".