652216001 has 2 divisors, whose sum is σ = 652216002. Its totient is φ = 652216000.

The previous prime is 652215979. The next prime is 652216027. The reversal of 652216001 is 100612256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652036225 + 179776 = 25535^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 652216001 - 2⁶ = 652215937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652216601) by changing a digit.

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 as a sum of consecutive naturals, namely, 326108000 + 326108001.

It is an arithmetic number, because the mean of its divisors is an integer number (326108001).

Almost surely, 2^652216001 is an apocalyptic number.

It is an amenable number.

652216001 is a deficient number, since it is larger than the sum of its proper divisors (1).

652216001 is an equidigital number, since it uses as much as digits as its factorization.

652216001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 652216001 is about 25538.5199453688. The cubic root of 652216001 is about 867.2223922163. Note that the first 3 decimals are identical.

Adding to 652216001 its reverse (100612256), we get a palindrome (752828257).

The spelling of 652216001 in words is "six hundred fifty-two million, two hundred sixteen thousand, one".