1352445089 has 2 divisors, whose sum is σ = 1352445090. Its totient is φ = 1352445088.

The previous prime is 1352445079. The next prime is 1352445169. The reversal of 1352445089 is 9805442531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 923126689 + 429318400 = 30383^2 + 20720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352445089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352445079) 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, 676222544 + 676222545.

It is an arithmetic number, because the mean of its divisors is an integer number (676222545).

Almost surely, 2^1352445089 is an apocalyptic number.

It is an amenable number.

1352445089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352445089 is an equidigital number, since it uses as much as digits as its factorization.

1352445089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 1352445089 is about 36775.6045361596. The cubic root of 1352445089 is about 1105.8762904904.

The spelling of 1352445089 in words is "one billion, three hundred fifty-two million, four hundred forty-five thousand, eighty-nine".