653554189 has 2 divisors, whose sum is σ = 653554190. Its totient is φ = 653554188.

The previous prime is 653554157. The next prime is 653554207. The reversal of 653554189 is 981455356.

653554189 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., 652802500 + 751689 = 25550^2 + 867^2 .

It is a cyclic number.

It is not a de Polignac number, because 653554189 - 2⁵ = 653554157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653552189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326777094 + 326777095.

It is an arithmetic number, because the mean of its divisors is an integer number (326777095).

Almost surely, 2^653554189 is an apocalyptic number.

It is an amenable number.

653554189 is a deficient number, since it is larger than the sum of its proper divisors (1).

653554189 is an equidigital number, since it uses as much as digits as its factorization.

653554189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 46.

The square root of 653554189 is about 25564.7059243794. The cubic root of 653554189 is about 867.8150965802.

The spelling of 653554189 in words is "six hundred fifty-three million, five hundred fifty-four thousand, one hundred eighty-nine".