652702189 has 2 divisors, whose sum is σ = 652702190. Its totient is φ = 652702188.

The previous prime is 652702177. The next prime is 652702213. The reversal of 652702189 is 981207256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 629257225 + 23444964 = 25085^2 + 4842^2 .

It is a cyclic number.

It is not a de Polignac number, because 652702189 - 2²¹ = 650605037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652702789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326351094 + 326351095.

It is an arithmetic number, because the mean of its divisors is an integer number (326351095).

Almost surely, 2^652702189 is an apocalyptic number.

It is an amenable number.

652702189 is a deficient number, since it is larger than the sum of its proper divisors (1).

652702189 is an equidigital number, since it uses as much as digits as its factorization.

652702189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 652702189 is about 25548.0368913152. The cubic root of 652702189 is about 867.4378261603.

The spelling of 652702189 in words is "six hundred fifty-two million, seven hundred two thousand, one hundred eighty-nine".