653667589 has 2 divisors, whose sum is σ = 653667590. Its totient is φ = 653667588.

The previous prime is 653667571. The next prime is 653667617. The reversal of 653667589 is 985766356.

653667589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389865025 + 263802564 = 19745^2 + 16242^2 .

It is a cyclic number.

It is not a de Polignac number, because 653667589 - 2¹¹ = 653665541 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 (653667529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326833794 + 326833795.

It is an arithmetic number, because the mean of its divisors is an integer number (326833795).

Almost surely, 2^653667589 is an apocalyptic number.

It is an amenable number.

653667589 is a deficient number, since it is larger than the sum of its proper divisors (1).

653667589 is an equidigital number, since it uses as much as digits as its factorization.

653667589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 55.

The square root of 653667589 is about 25566.9237296942. The cubic root of 653667589 is about 867.8652860122.

The spelling of 653667589 in words is "six hundred fifty-three million, six hundred sixty-seven thousand, five hundred eighty-nine".