652722211 has 2 divisors, whose sum is σ = 652722212. Its totient is φ = 652722210.

The previous prime is 652722197. The next prime is 652722223. The reversal of 652722211 is 112227256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652722211 - 2⁵ = 652722179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 652722211.

It is not a weakly prime, because it can be changed into another prime (652722271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326361105 + 326361106.

It is an arithmetic number, because the mean of its divisors is an integer number (326361106).

Almost surely, 2^652722211 is an apocalyptic number.

652722211 is a deficient number, since it is larger than the sum of its proper divisors (1).

652722211 is an equidigital number, since it uses as much as digits as its factorization.

652722211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 652722211 is about 25548.4287383784. The cubic root of 652722211 is about 867.4466957810.

Adding to 652722211 its reverse (112227256), we get a palindrome (764949467).

The spelling of 652722211 in words is "six hundred fifty-two million, seven hundred twenty-two thousand, two hundred eleven".