1352000809 has 2 divisors, whose sum is σ = 1352000810. Its totient is φ = 1352000808.

The previous prime is 1352000801. The next prime is 1352000813. The reversal of 1352000809 is 9080002531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 754051600 + 597949209 = 27460^2 + 24453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352000809 - 2³ = 1352000801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352000801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676000404 + 676000405.

It is an arithmetic number, because the mean of its divisors is an integer number (676000405).

Almost surely, 2^1352000809 is an apocalyptic number.

It is an amenable number.

1352000809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352000809 is an equidigital number, since it uses as much as digits as its factorization.

1352000809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1352000809 is about 36769.5636226486. The cubic root of 1352000809 is about 1105.7551832870.

The spelling of 1352000809 in words is "one billion, three hundred fifty-two million, eight hundred nine", and thus it is an aban number.