3245505409 has 2 divisors, whose sum is σ = 3245505410. Its totient is φ = 3245505408.

The previous prime is 3245505401. The next prime is 3245505421. The reversal of 3245505409 is 9045055423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3182652225 + 62853184 = 56415^2 + 7928^2 .

It is an emirp because it is prime and its reverse (9045055423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3245505409 - 2³ = 3245505401 is a prime.

It is not a weakly prime, because it can be changed into another prime (3245505401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622752704 + 1622752705.

It is an arithmetic number, because the mean of its divisors is an integer number (1622752705).

Almost surely, 2^3245505409 is an apocalyptic number.

It is an amenable number.

3245505409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245505409 is an equidigital number, since it uses as much as digits as its factorization.

3245505409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 3245505409 is about 56969.3374456821. The cubic root of 3245505409 is about 1480.5648879995.

The spelling of 3245505409 in words is "three billion, two hundred forty-five million, five hundred five thousand, four hundred nine".