654359389 has 2 divisors, whose sum is σ = 654359390. Its totient is φ = 654359388.

The previous prime is 654359369. The next prime is 654359399. The reversal of 654359389 is 983953456.

654359389 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., 574560900 + 79798489 = 23970^2 + 8933^2 .

It is a cyclic number.

It is not a de Polignac number, because 654359389 - 2⁹ = 654358877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654359369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327179694 + 327179695.

It is an arithmetic number, because the mean of its divisors is an integer number (327179695).

Almost surely, 2^654359389 is an apocalyptic number.

It is an amenable number.

654359389 is a deficient number, since it is larger than the sum of its proper divisors (1).

654359389 is an equidigital number, since it uses as much as digits as its factorization.

654359389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 52.

The square root of 654359389 is about 25580.4493510181. The cubic root of 654359389 is about 868.1713424518.

The spelling of 654359389 in words is "six hundred fifty-four million, three hundred fifty-nine thousand, three hundred eighty-nine".