3825384509 has 2 divisors, whose sum is σ = 3825384510. Its totient is φ = 3825384508.

The previous prime is 3825384487. The next prime is 3825384517. The reversal of 3825384509 is 9054835283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2719622500 + 1105762009 = 52150^2 + 33253^2 .

It is a cyclic number.

It is not a de Polignac number, because 3825384509 - 2¹² = 3825380413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3825384569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912692254 + 1912692255.

It is an arithmetic number, because the mean of its divisors is an integer number (1912692255).

Almost surely, 2^3825384509 is an apocalyptic number.

It is an amenable number.

3825384509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3825384509 is an equidigital number, since it uses as much as digits as its factorization.

3825384509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The square root of 3825384509 is about 61849.6928771680. The cubic root of 3825384509 is about 1563.9578044152.

The spelling of 3825384509 in words is "three billion, eight hundred twenty-five million, three hundred eighty-four thousand, five hundred nine".