652543061 has 2 divisors, whose sum is σ = 652543062. Its totient is φ = 652543060.

The previous prime is 652543043. The next prime is 652543069. The reversal of 652543061 is 160345256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433680625 + 218862436 = 20825^2 + 14794^2 .

It is a cyclic number.

It is not a de Polignac number, because 652543061 - 2¹⁸ = 652280917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652543069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326271530 + 326271531.

It is an arithmetic number, because the mean of its divisors is an integer number (326271531).

Almost surely, 2^652543061 is an apocalyptic number.

It is an amenable number.

652543061 is a deficient number, since it is larger than the sum of its proper divisors (1).

652543061 is an equidigital number, since it uses as much as digits as its factorization.

652543061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 652543061 is about 25544.9224113130. The cubic root of 652543061 is about 867.3673270017.

The spelling of 652543061 in words is "six hundred fifty-two million, five hundred forty-three thousand, sixty-one".