652215716 has 12 divisors (see below), whose sum is σ = 1142602188. Its totient is φ = 325757952.

The previous prime is 652215671. The next prime is 652215731. The reversal of 652215716 is 617512256.

It can be written as a sum of positive squares in 2 ways, for example, as 353064100 + 299151616 = 18790^2 + 17296^2 .

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 3 ways as a sum of consecutive naturals, for example, 83261 + ... + 90756.

It is an arithmetic number, because the mean of its divisors is an integer number (95216849).

Almost surely, 2^652215716 is an apocalyptic number.

It is an amenable number.

652215716 is a deficient number, since it is larger than the sum of its proper divisors (490386472).

652215716 is a wasteful number, since it uses less digits than its factorization.

652215716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174958 (or 174956 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 652215716 is about 25538.5143655617. The cubic root of 652215716 is about 867.2222658990. Note that the first 4 decimals are identical.

The spelling of 652215716 in words is "six hundred fifty-two million, two hundred fifteen thousand, seven hundred sixteen".