654359369 has 2 divisors, whose sum is σ = 654359370. Its totient is φ = 654359368.

The previous prime is 654359353. The next prime is 654359389. The reversal of 654359369 is 963953456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644499769 + 9859600 = 25387^2 + 3140^2 .

It is a cyclic number.

It is not a de Polignac number, because 654359369 - 2⁴ = 654359353 is a prime.

It is a super-2 number, since 2×654359369² = 856372367596156322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (654359389) 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, 327179684 + 327179685.

It is an arithmetic number, because the mean of its divisors is an integer number (327179685).

Almost surely, 2^654359369 is an apocalyptic number.

It is an amenable number.

654359369 is a deficient number, since it is larger than the sum of its proper divisors (1).

654359369 is an equidigital number, since it uses as much as digits as its factorization.

654359369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 50.

The square root of 654359369 is about 25580.4489600945. The cubic root of 654359369 is about 868.1713336068.

The spelling of 654359369 in words is "six hundred fifty-four million, three hundred fifty-nine thousand, three hundred sixty-nine".