652215711 has 8 divisors (see below), whose sum is σ = 993852544. Its totient is φ = 372694680.

The previous prime is 652215671. The next prime is 652215731. The reversal of 652215711 is 117512256.

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

It is not a de Polignac number, because 652215711 - 2⁶ = 652215647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652215731) 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, 15528925 + ... + 15528966.

It is an arithmetic number, because the mean of its divisors is an integer number (124231568).

Almost surely, 2^652215711 is an apocalyptic number.

652215711 is a deficient number, since it is larger than the sum of its proper divisors (341636833).

652215711 is a wasteful number, since it uses less digits than its factorization.

652215711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31057901.

The product of its digits is 4200, while the sum is 30.

The square root of 652215711 is about 25538.5142676703. The cubic root of 652215711 is about 867.2222636829. Note that the first 4 decimals are identical.

Adding to 652215711 its reverse (117512256), we get a palindrome (769727967).

The spelling of 652215711 in words is "six hundred fifty-two million, two hundred fifteen thousand, seven hundred eleven".