2660505325 has 12 divisors (see below), whose sum is σ = 3305600928. Its totient is φ = 2124162800.

The previous prime is 2660505317. The next prime is 2660505361. The reversal of 2660505325 is 5235050662.

It is not a de Polignac number, because 2660505325 - 2³ = 2660505317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 93211 + ... + 118360.

It is an arithmetic number, because the mean of its divisors is an integer number (275466744).

Almost surely, 2^2660505325 is an apocalyptic number.

2660505325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2660505325 is a deficient number, since it is larger than the sum of its proper divisors (645095603).

2660505325 is a wasteful number, since it uses less digits than its factorization.

2660505325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212084 (or 212079 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 2660505325 is about 51580.0865160190. The cubic root of 2660505325 is about 1385.6537161704.

Adding to 2660505325 its reverse (5235050662), we get a palindrome (7895555987).

The spelling of 2660505325 in words is "two billion, six hundred sixty million, five hundred five thousand, three hundred twenty-five".