1625800325 has 6 divisors (see below), whose sum is σ = 2015992434. Its totient is φ = 1300640240.

The previous prime is 1625800289. The next prime is 1625800327. The reversal of 1625800325 is 5230085261.

It can be written as a sum of positive squares in 3 ways, for example, as 22118209 + 1603682116 = 4703^2 + 40046^2 .

It is not a de Polignac number, because 1625800325 - 2⁶ = 1625800261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1625800291 and 1625800300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625800327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32515982 + ... + 32516031.

It is an arithmetic number, because the mean of its divisors is an integer number (335998739).

Almost surely, 2^1625800325 is an apocalyptic number.

It is an amenable number.

1625800325 is a deficient number, since it is larger than the sum of its proper divisors (390192109).

1625800325 is an equidigital number, since it uses as much as digits as its factorization.

1625800325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65032023 (or 65032018 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1625800325 is about 40321.2143294321. The cubic root of 1625800325 is about 1175.8603205865.

Adding to 1625800325 its reverse (5230085261), we get a palindrome (6855885586).

The spelling of 1625800325 in words is "one billion, six hundred twenty-five million, eight hundred thousand, three hundred twenty-five".