652442689 has 2 divisors, whose sum is σ = 652442690. Its totient is φ = 652442688.

The previous prime is 652442669. The next prime is 652442699. The reversal of 652442689 is 986244256.

652442689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650505025 + 1937664 = 25505^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 652442689 - 2¹¹ = 652440641 is a prime.

It is not a weakly prime, because it can be changed into another prime (652442669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326221344 + 326221345.

It is an arithmetic number, because the mean of its divisors is an integer number (326221345).

Almost surely, 2^652442689 is an apocalyptic number.

It is an amenable number.

652442689 is a deficient number, since it is larger than the sum of its proper divisors (1).

652442689 is an equidigital number, since it uses as much as digits as its factorization.

652442689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 46.

The square root of 652442689 is about 25542.9577183223. The cubic root of 652442689 is about 867.3228528703.

The spelling of 652442689 in words is "six hundred fifty-two million, four hundred forty-two thousand, six hundred eighty-nine".