3985225903 has 2 divisors, whose sum is σ = 3985225904. Its totient is φ = 3985225902.

The previous prime is 3985225883. The next prime is 3985225931. The reversal of 3985225903 is 3095225893.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3985225903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3985225943) 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, 1992612951 + 1992612952.

It is an arithmetic number, because the mean of its divisors is an integer number (1992612952).

Almost surely, 2^3985225903 is an apocalyptic number.

3985225903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985225903 is an equidigital number, since it uses as much as digits as its factorization.

3985225903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 3985225903 is about 63128.6456610626. The cubic root of 3985225903 is about 1585.4442727567. Note that the first 3 decimals are identical.

The spelling of 3985225903 in words is "three billion, nine hundred eighty-five million, two hundred twenty-five thousand, nine hundred three".