3825634387 has 2 divisors, whose sum is σ = 3825634388. Its totient is φ = 3825634386.

The previous prime is 3825634339. The next prime is 3825634403. The reversal of 3825634387 is 7834365283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3825634387 - 2⁷ = 3825634259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3825634387.

It is not a weakly prime, because it can be changed into another prime (3825644387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912817193 + 1912817194.

It is an arithmetic number, because the mean of its divisors is an integer number (1912817194).

Almost surely, 2^3825634387 is an apocalyptic number.

3825634387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3825634387 is an equidigital number, since it uses as much as digits as its factorization.

3825634387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 49.

The square root of 3825634387 is about 61851.7128865483. The cubic root of 3825634387 is about 1563.9918567776.

The spelling of 3825634387 in words is "three billion, eight hundred twenty-five million, six hundred thirty-four thousand, three hundred eighty-seven".