652216701 has 4 divisors (see below), whose sum is σ = 869622272. Its totient is φ = 434811132.

The previous prime is 652216693. The next prime is 652216769. The reversal of 652216701 is 107612256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 652216701 - 2³ = 652216693 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 (652216001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108702781 + ... + 108702786.

It is an arithmetic number, because the mean of its divisors is an integer number (217405568).

Almost surely, 2^652216701 is an apocalyptic number.

It is an amenable number.

652216701 is a deficient number, since it is larger than the sum of its proper divisors (217405571).

652216701 is a wasteful number, since it uses less digits than its factorization.

652216701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217405570.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 652216701 is about 25538.5336501531. The cubic root of 652216701 is about 867.2227024690. Note that the first 3 decimals are identical.

Adding to 652216701 its reverse (107612256), we get a palindrome (759828957).

The spelling of 652216701 in words is "six hundred fifty-two million, two hundred sixteen thousand, seven hundred one".