3245120509 has 2 divisors, whose sum is σ = 3245120510. Its totient is φ = 3245120508.

The previous prime is 3245120491. The next prime is 3245120513. The reversal of 3245120509 is 9050215423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1937936484 + 1307184025 = 44022^2 + 36155^2 .

It is a cyclic number.

It is not a de Polignac number, because 3245120509 - 2⁷ = 3245120381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3245120539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622560254 + 1622560255.

It is an arithmetic number, because the mean of its divisors is an integer number (1622560255).

Almost surely, 2^3245120509 is an apocalyptic number.

It is an amenable number.

3245120509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245120509 is an equidigital number, since it uses as much as digits as its factorization.

3245120509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 3245120509 is about 56965.9592124981. The cubic root of 3245120509 is about 1480.5063565966.

The spelling of 3245120509 in words is "three billion, two hundred forty-five million, one hundred twenty thousand, five hundred nine".