653381089 has 2 divisors, whose sum is σ = 653381090. Its totient is φ = 653381088.

The previous prime is 653381051. The next prime is 653381147. The reversal of 653381089 is 980183356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603537489 + 49843600 = 24567^2 + 7060^2 .

It is a cyclic number.

It is not a de Polignac number, because 653381089 - 2²¹ = 651283937 is a prime.

It is not a weakly prime, because it can be changed into another prime (653384089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326690544 + 326690545.

It is an arithmetic number, because the mean of its divisors is an integer number (326690545).

Almost surely, 2^653381089 is an apocalyptic number.

It is an amenable number.

653381089 is a deficient number, since it is larger than the sum of its proper divisors (1).

653381089 is an equidigital number, since it uses as much as digits as its factorization.

653381089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 653381089 is about 25561.3201732618. The cubic root of 653381089 is about 867.7384734733.

The spelling of 653381089 in words is "six hundred fifty-three million, three hundred eighty-one thousand, eighty-nine".