3825109 has 2 divisors, whose sum is σ = 3825110. Its totient is φ = 3825108.

The previous prime is 3825103. The next prime is 3825167. The reversal of 3825109 is 9015283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 253009 = 1890^2 + 503^2 .

It is an emirp because it is prime and its reverse (9015283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3825109 - 2¹⁹ = 3300821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3825103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912554 + 1912555.

It is an arithmetic number, because the mean of its divisors is an integer number (1912555).

Almost surely, 2^3825109 is an apocalyptic number.

It is an amenable number.

3825109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3825109 is an equidigital number, since it uses as much as digits as its factorization.

3825109 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 3825109 is about 1955.7885877569. The cubic root of 3825109 is about 156.3920257445.

The spelling of 3825109 in words is "three million, eight hundred twenty-five thousand, one hundred nine".