652215652 has 18 divisors (see below), whose sum is σ = 1254572774. Its totient is φ = 296461440.

The previous prime is 652215647. The next prime is 652215671. The reversal of 652215652 is 256512256.

It can be written as a sum of positive squares in only one way, i.e., 642318336 + 9897316 = 25344^2 + 3146^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673293 + ... + 674260.

Almost surely, 2^652215652 is an apocalyptic number.

It is an amenable number.

652215652 is a deficient number, since it is larger than the sum of its proper divisors (602357122).

652215652 is a wasteful number, since it uses less digits than its factorization.

652215652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347579 (or 1347566 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 652215652 is about 25538.5131125522. The cubic root of 652215652 is about 867.2222375330. Note that the first 4 decimals are identical.

The spelling of 652215652 in words is "six hundred fifty-two million, two hundred fifteen thousand, six hundred fifty-two".