653000389 has 2 divisors, whose sum is σ = 653000390. Its totient is φ = 653000388.

The previous prime is 653000351. The next prime is 653000393. The reversal of 653000389 is 983000356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560032225 + 92968164 = 23665^2 + 9642^2 .

It is a cyclic number.

It is not a de Polignac number, because 653000389 - 2¹¹ = 652998341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653000329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326500194 + 326500195.

It is an arithmetic number, because the mean of its divisors is an integer number (326500195).

Almost surely, 2^653000389 is an apocalyptic number.

It is an amenable number.

653000389 is a deficient number, since it is larger than the sum of its proper divisors (1).

653000389 is an equidigital number, since it uses as much as digits as its factorization.

653000389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 653000389 is about 25553.8722897333. The cubic root of 653000389 is about 867.5699081324.

The spelling of 653000389 in words is "six hundred fifty-three million, three hundred eighty-nine", and thus it is an aban number.